AUTHOR OF THIS BLOG

DR ANTHONY MELVIN CRASTO, WORLDDRUGTRACKER

CHIRAL INDIA 2016, 5th International Conference & Exhibition Nov 8-9 2016, Holiday Inn, Mumbai, India

 CONFERENCE  Comments Off on CHIRAL INDIA 2016, 5th International Conference & Exhibition Nov 8-9 2016, Holiday Inn, Mumbai, India
Sep 072016
 

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India's only conference focusing on new chiral technologies for pharmaceutical fine chemicals. The event is a unique platform to learn about recent advances in chiral chemistry, technology and application.

Chiral India series which began in 2012 has now grown into a major must-attend event for the Pharmaceutical industry. This platform is the most popular chiral technology platform bringing together the top experts from China, Canada, USA, Japan, India and other countries to present the latest developments in chiral drug developments and brainstorm with leading R&D personnel from Indian pharmaceutical industry.

The fifth edition of Chiral India to be held on 8-9 November 2016, at Holiday Inn (Mumbai), follows the success of previous four annual editions (2012, 2013, 2014 and 2015) and is now an event awaited by R&D professionals across the industry.

International panel of Chiral experts will address on key Themes
  • Asymmetric hydrogenations: New directions
  • Chiral switches: Development of single enantiomer drugs
  • Chiral tool kit in new drug development
  • Organo molecular catalysts
  • Enzymatic processes for new chiral drug synthesis
  • Chiral chemistry in natural product synthesis
  • Chiral catalysis: An overview of recent advances
  • Chiral drugs: New regulatory directions
  • Chiral separation technologies
  • Flow reactions for chiral drug development

R  Rajagopal

+9198211 28341

rraj@chemicalweekly.com

kiran@chemicalweekly.com

Dr. R. Rajagopal B-602, Godrej Coliseum Tel: +91 22 24044477
Editorial Advisor K.J. Somaiya Hospital Road Fax: +91 22 24044450
Chemical Weekly Sion (East) Mumbai 400 022 www.chemicalweekly.com

DOWNLOAD BROCHURE…..

Please use http://www.chiralindia.com/Brochure.pdf link to download the Brochure.

Our website URL is www.chiralindia.com

 

Oganised By

 

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////////CHIRAL INDIA 2016, 5th International Conference, Exhibition,  Nov 8-9,  2016, Holiday Inn, Mumbai, India

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Training Course РIN SILICO DRUG DISCOVERY & DESIGNING: INSIGHTS OF PROTEIN-LIGAND INTERACTIONS. Oct 01, 2016 at Le M̩ridien Bangalore Hotel in Bengaluru, India.

 CONFERENCE  Comments Off on Training Course – IN SILICO DRUG DISCOVERY & DESIGNING: INSIGHTS OF PROTEIN-LIGAND INTERACTIONS. Oct 01, 2016 at Le Méridien Bangalore Hotel in Bengaluru, India.
Aug 222016
 

 

Training Course – IN SILICO DRUG DISCOVERY & DESIGNING: INSIGHTS OF PROTEIN-LIGAND INTERACTIONS. Oct 01, 2016  at Le Méridien Bangalore Hotel in Bengaluru, India.

https://selectbiosciences.com/trainingCoursesID.aspx?tc=DDD16&pid=4820&conf=DDI16&se=india

http://selectbiosciences.com/conferences/index.aspx?conf=DDI16&se=india

http://selectbiosciences.com/conferences/venue.aspx?pid=4817&conf=DDI16&se=india

Dear Colleague,

SELECTBIO would like to remind you about its Training Course – IN SILICO DRUG DISCOVERY & DESIGNING: INSIGHTS OF PROTEIN-LIGAND INTERACTIONS. This is scheduled to be held on October 01, 2016 from 9:00am to 5:00pm at Le Méridien Bangalore Hotel in Bengaluru, India. This course will be held in conjunction with our 4th International Conference “Drug Discovery India 2016“. Attend the Training Course and the Conference andSave 10% against the regular registration charges.

PROFILE OF ATTENDEES
With basic knowledge in Life Science and Drug Design that would like to receive a comprehensive overview or refresher on the Drug Discovery Technology the target audience comprises:
• Student & Faculty: Bachelor, Masters, PhD, students as well as Faculty and Professors from Microbiology, Biochemistry, Biotechnology, Immunology, Pharmacy, Pharmaceutical Chemistry, Biomedical Technology, Genetics, Bioinformatics, Plant Science and Life Sciences.
• Professionals: Biotechnology, Bioinformatics and Pharmaceutical scientists from industry, academia and regulatory agencies.
Hands-on exercises will be performed individually using Software tools (no prior experience required).

COURSE CONTENTS

• Introduction of Drug Designing
• Science involved in Disease Target Identification
• Virtual Screening
Practical application will be done on 5 molecules and the software on which DEMONSTRATION & TRAINING will be given
• In-Silico Generation of Ligands by ChemSketch
• Conversion of mol files to pdf files by Open Babel
• Protein Optimization & Energy Minimization by SPDBV
• Molecular Docking by MGL Tools | Creation of Grid Parameter & Dock Parameter Files by AutoDock Software
• Running the Algorithm by Cygwin
• Selection of Potent Inhibitors on the basis of Binding Energies and Lipinski’s Rule of 5
• Structure Analysis – Protein & Ligand complex H-bond interaction by UCSF Chimera
• Prediction of Molecular Properties- Molinspiration
• Prediction of Bioactivity- Molinspiration & ACD iLabs
• Drug Likeness – Mol Soft
• Bioavailability & ADME- ACD iLabs
• Toxicity- OSIRIS Property Explorer & ACD iLabs

For more information, or to discuss registration options, please contact me on the details given below.

Thanks and Best Regards

Sakshi Modgil
Customer Services Manager
SELECTBIO INDIA
O: +91 172 5025050
M: +91 7696125050
s.modgil@selectbio.com

Copyright © 2016 SELECTBIO, All rights reserved.

 

///////////////Training Course,  IN SILICO DRUG DISCOVERY & DESIGNING, INSIGHTS OF PROTEIN-LIGAND INTERACTIONSOct 01, 2016  at Le Méridien Bangalore Hotel,  Bengaluru, India, selectbio

 

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Flow Chemistry Symposium + Workshop on 27-28th Aug’ 2016 at IISER – PUNE, Pune, India

 SYNTHESIS  Comments Off on Flow Chemistry Symposium + Workshop on 27-28th Aug’ 2016 at IISER – PUNE, Pune, India
Aug 192016
 

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Flow Chemistry Society – India Chapter is assisting the proliferation of Process Intensification and Flow Chemistry across the country

After  an  enthusiastic  response  at the  2nd FCS-India Symposium & Workshop held at IICT-Hyderabad  in June’16  with  27companies and 115 delegates attending,  we are happy to announce :

The 3rd   2-day FLOW CHEMISTRY Symposium + DEMO Workshop is organized on 27th – 28th August 2016 at  IISER – PUNE  by Flow Chemistry Society – India Chapter (in collaboration with IISER-Pune,  NCL  & IIT-B) ,  with speakers & demonstrators from India, UK, Netherlands and Hungary.

Prof. Ashwini Kumar Nangia,  Director – CSIR-NCL has kindly consented to be the Hon. Chief Guest and inaugurate the Symposium & Workshop.

Both days have intensive interactive sessions on the theory and industrial applications of Flow Chemistry followed by  livedemonstrations  using              5 to 6 different Flow Reactor platforms –each day  from microliters to 10,000 L/day  industrial scale.

The Fees are Rs. 7,000 for Industry Delegates and Rs. 3,000 for Academic Delegates

The registration form  is BELOW

CLICK FOR REGISTRATION FORM 1-REGISTRATION FORM

contact : vk@pi-inc.co   or   msingh@cipla.com   or    rentala@inkarp.co.in 

Accomodation (optional)  : for Bookings please contact IISER-Pune Guest House directly

Mr. Charu Gurav; Mgr Guest Hse, managergh@iiserpune.ac.in   020-25908130    OR

Mr. Sreejit, Mgr-Catering, etc.    sreejit@iiserpune.ac.in    020-25908247

Tariff  per room night :  Rs. 1,500 (single occupancy) //  Rs. 2,000 (Double Occupancy)

best regards

 Vijay

                             Flow Chemistry Society – India Chapter

Vijay Kirpalani                                                                                      Manjinder Singh
President                                                                                Vice-President
email : vk@pi-inc.co                                                                         email : msingh@cipla.com

Tel: +91-9321342022                                                          Tel: +91-9321342022

CLICK FOR REGISTRATION FORM 1-REGISTRATION FORM

/////////

Day 16 of the 2016 Doodle Fruit Games! Find out more at g.co/fruit

P V SINDHU OF INDIA WINS SILVER AT RIO 2016 OLYMPICS IN BADMINTON

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Innogen summit India 2016, 18-19 Aug, Mumbai, India

 CONFERENCE  Comments Off on Innogen summit India 2016, 18-19 Aug, Mumbai, India
Aug 192016
 

 

i1Innogen summit India 2016, 18-19 Aug, Mumbai, India, HOTEL HOLIDAY INN, Mumbai International Airport,Organised by Inventicon Business Intelligence Pvt. Ltd………topic is Supergenerics, Innovation in Generics, commercialization, regulatory, other insights,

 

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Dr. Ashok Kumar, President – Centre for Research & Development, Ipca Laboratories Ltd, at Innogen summit India 2016, 18-19 Aug, Mumbai, India,, HOTEL HOLIDAY INN, Mumbai International Airport,Organised by Inventicon Business Intelligence Pvt. Ltd — with DR ASHOK KUMAR OF IPCA at Holiday Inn-Mumbai Intl Airport.

 

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PANEL DISCUSSION, Dr. Ashok Kumar, President – Centre for Research & Development, Ipca Laboratories Ltd , Dr. Nilima A. Kshirsagar, National Chair Clinical Pharmacology, ICMR Government of India, Yugal Sikri, Chairman – Pharmaceutical Management, School of Business Management, SVKM’s Narsee Monjee Institute of Management Studies — with Yugal Sikri,, Nilima A. Kshirsagarand ASHOK KUMAR OF IPCA at Holiday Inn-Mumbai Intl Airport.

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Ashit sikka, Koji nakamura, Uttam kumar, allfdron TERUMO, AT Innogen summit India 2016, 18-19 Aug, Mumbai, India,, HOTEL HOLIDAY INN, Mumbai International Airport,Organised by Inventicon Business Intelligence Pvt. Ltd — with Koji nakamura of terumo, Ashit Sikka and UTTAM KUMAR OF TERUMO at Holiday Inn-Mumbai Intl Airport.

 

INNO1 INNO3

ROHAN, RIDDHI AND PALLAVI OF INVENTICON

INNO4 S2

DR NIDHI SAPKAL OF ZIMLABS

S3

ALKA LUTHRA OF LUBRIZOL

 

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DR SEEMA SINGH, VP AND HEAD,-LEGAL AND IPM, MACLOEDS PHARMA, Innogen summit India 2016, 18-19 Aug, Mumbai, India,, HOTEL HOLIDAY INN, Mumbai International Airport,Organised by Inventicon Business Intelligence Pvt. Ltd — withSeema Singh.

 

lupin cadila

standing Mr Rajeev patil, Sr VP reg affairs Lupin and Mr Sushrut kulkarni Sr VP Zydus cadila, Head, Pharma tech cemtre — with sushrut kulkarni andrajeev patil.

Thanks to

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Rohan Jagtap

Program Manager – Pharma & Lifesciences

 https://ci4.googleusercontent.com/proxy/XM6zLJNVF-KyjTdLe4_K-jsjBvWCfPVibLEfkfFi-qr6U362NxG0XVUkvsdpOUKmwJgUMkzmSETrv9F_bY4Pv0rEVxiUozAcfOcwUjawrQs2stF7iWDvdLcVkMJYElp6G8kNSGlsGwZJsFOoqQTnShF3BCHD=s0-d-e1-ft#https://docs.google.com/a/inventiconasia.com/uc?id=0BxGiCo9okSEbVlRmN0xxM1dpc1E&export=download

Inventicon Business Intelligence Pvt. Ltd.

Phone: +91 22 6511 3334 I Mob: +91 9011052025 Email: rohan.jagtap@inventiconasia.com

Times Square, Unit 1, Level 2, B Wing, Andheri Kurla Road, Andheri (E), Mumbai – 400059, MS – India.

http://inventiconasia.com/About-Us.aspxgards,

AGGENDA

////////

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Synmr Chemicals Pvt Ltd, the first manufacturers of NMR Solvents in India

 companies, spectroscopy, SYNTHESIS  Comments Off on Synmr Chemicals Pvt Ltd, the first manufacturers of NMR Solvents in India
Jul 202016
 
 
“Synmr Chemicals Pvt Ltd” (Formerly known as Synovation Chemicals Pvt Ltd) are the first manufacturers of NMR Solvents in India. This would benefit the Indian Science community as they no longer would have to depend on Imports, high pricing and uncertain supply.
Please do assist “Synmr” and promote our “Make in India” endeavor


Synmr Chemicals Pvt Ltd (Previously known as
Synovation Chemicals and Sourcing Pvt Ltd) is engaged in the manufacture of NMR
(Deuterated solvents).
With permission of Heavy Water Board, we can now
offer NMR Solvents manufactured in India.
 
They are the first manufactures of NMR solvents in
India and the following products have been developed and up scaled.
 
1. Chloroform D 99.8%
2.   DMSO D6 99.8%
3.   Methyl Iodide D3 99.5%
4.   Acetone D6 99.8%
5.   Acetonitrile D3 99.8%
In the Pipeline
·
Methanol
D4
·
Ethanol
D6
 





















We kindly request you to send your enquiries to

 
Suresh R Iyer
suresh@synmr.in           Contact Number +9193212 58158
dinesh@synmr.in           Contact Number +9198454 04105
Dr Sankar Iyer       sankar@synovationchemicals.in       +91 94490 63877  
Website is
www.synmr.in

nmr@synovationchemicals.in

Promote our NMR solvents and thus encourage MAKE IN INDIA.

 

 

Thanks 
Regards….?
Suresh R Iyer

————————————————————————————————————————

Team

 

INFO FROM LITERATURE OR NET

//////

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Sreeni Labs Private Limited, Hyderabad, India ready to deliver New, Economical, Scalable Routes to your advanced intermediates & API’s in early Clinical Drug Development Stages

 companies, INDIA, MANUFACTURING, new drugs, PRECLINICAL, PROCESS, regulatory  Comments Off on Sreeni Labs Private Limited, Hyderabad, India ready to deliver New, Economical, Scalable Routes to your advanced intermediates & API’s in early Clinical Drug Development Stages
Jul 162016
 

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Sreeni Labs Private Limited, Hyderabad, India is ready to take up challenging synthesis projects from your preclinical and clinical development and supply from few grams to multi-kilo quantities. Sreeni Labs has proven route scouting ability  to  design and develop innovative, cost effective, scalable routes by using readily available and inexpensive starting materials. The selected route will be further developed into a robust process and demonstrate on kilo gram scale and produce 100’s of kilos of in a relatively short time.

Accelerate your early development at competitive price by taking your route selection, process development and material supply challenges (gram scale to kilogram scale) to Sreeni Labs…………

WEBSITE………. https://sreenilabs.com/

INTRODUCTION

Sreeni Labs based in Hyderabad, India is working with various global customers and solving variety of challenging synthesis problems. Their customer base ranges from USA, Canada, India and Europe. Sreeni labs Managing Director, Dr. Sreenivasa Reddy Mundla has worked at Procter & Gamble Pharmaceuticals and Eli Lilly based in USA.

The main strength of Sreeni Labs is in the design, development of innovative and highly economical synthetic routes and development of a selected route into a robust process followed by production of quality product from 100 grams to 100s of kg scale. Sreeni Labs main motto is adding value in everything they do.

They have helped number of customers from virtual biotech, big pharma, specialty chemicals, catalog companies, and academic researchers and drug developers, solar energy researchers at universities and institutions by successfully developing highly economical and simple chemistry routes to number of products that were made either by very lengthy synthetic routes or  by using highly dangerous reagents and Suzuki coupling steps. They are able to supply materials from gram scale to multi kilo scale in a relatively short time by developing very short and efficient synthetic routes to a number of advanced intermediates, specialty chemicals, APIs and reference compounds. They also helped customers by drastically reducing number of steps, telescoping few steps into a single pot. For some projects, Sreeni Labs was able to develop simple chemistry and avoided use of palladium & expensive ligands. They always begin the project with end in the mind and design simple chemistry and also use readily available or easy to prepare starting materials in their design of synthetic routes

Over the years, Sreeni labs has successfully made a variety of products ranging from few mg to several kilogram scale. Sreeni labs has plenty of experience in making small select libraries of compounds, carbocyclic compounds like complex terpenoids, retinal derivatives, alkaloids, and heterocyclic compounds like multi substituted beta carbolines, pyridines, quinolines, quinolones, imidazoles, aminoimidazoles, quinoxalines, indoles, benzimidazoles, thiazoles, oxazoles, isoxazoles, carbazoles, benzothiazoles, azapines, benzazpines, natural and unnatural aminoacids, tetrapeptides, substituted oligomers of thiophenes and fused thiophenes, RAFT reagents, isocyanates, variety of ligands,  heteroaryl, biaryl, triaryl compounds, process impurities and metabolites.

Sreeni Labs is Looking for any potential opportunities where people need development of cost effective scalable routes followed by quick scale up to produce quality products in the pharmaceutical & specialty chemicals area. They can also take up custom synthesis and scale up of medchem analogues and building blocks.  They have flexible business model that will be in sink with customers. One can test their abilities & capabilities by giving couple of PO based (fee for service) projects.

Some of the compounds prepared by Sreeni labs;

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See presentation below

LINK ON SLIDESHARE

Managing Director at Sreeni Labs Private Limited

 

Few Case Studies : Source SEEENI LABS

QUOTE………….

One virtual biotech company customer from USA, through a common friend approached Sreeni Labs and told that they are buying a tetrapeptide from Bachem on mg scale at a very high price and requested us to see if we can make 5g. We accepted the challenge and developed solution phase chemistry and delivered 6g and also the process procedures in 10 weeks time. The customer told that they are using same procedures with very minor modifications and produced the tetrapeptide ip to 100kg scale as the molecule is in Phase III.

 

One East coast customer in our first meeting told that they are working with 4 CROs of which two are in India and two are in China and politely asked why they should work with Sreeni Labs. We told that give us a project where your CROs failed to deliver and we will give a quote and work on it. You pay us only if we deliver and you satisfy with the data. They immediately gave us a project to make 1.5g and we delivered 2g product in 9 weeks. After receiving product and the data, the customer was extremely happy as their previous CRO couldn’t deliver even a milligram in four months with 3 FTEs.

 

One Midwest biotech company was struggling to remove palladium from final API as they were doing a Suzuki coupling with a very expensive aryl pinacol borane and bromo pyridine derivative with an expensive ligand and relatively large amount of palldium acetate. The cost of final step catalyst, ligand and the palladium scavenging resin were making the project not viable even though the product is generating excellent data in the clinic. At this point we signed an FTE agreement with them and in four months time, we were able to design and develop a non suzuki route based on acid base chemistry and made 15g of API and compared the analytical data and purity with the Suzuki route API. This solved all three problems and the customer was very pleased with the outcome.

 

One big pharma customer from east coast, wrote a structure of chemical intermediate on a paper napkin in our first meeting and asked us to see if we can make it. We told that we can make it and in less than 3 weeks time we made a gram sample and shared the analytical data. The customer was very pleased and asked us to make 500g. We delivered in 4 weeks and in the next three months we supplied 25kg of the same product.

 

Through a common friend reference, a European customer from a an academic institute, sent us an email requesting us to quote for 20mg of a compound with compound number mentioned in J. med. chem. paper. It is a polycyclic compound with four contiguous stereogenic centers.  We gave a quote and delivered 35 mg of product with full analytical data which was more pure than the published in literature. Later on we made 8g and 6g of the same product.

 

One West coast customer approached us through a common friend’s reference and told that they need to improve the chemistry of an advanced intermediate for their next campaign. At that time they are planning to make 15kg of that intermediate and purchased 50kg of starting raw material for $250,000. They also put five FTEs at a CRO  for 5 months to optimize the remaining 5 steps wherein they are using LAH, Sodium azide,  palladium catalyst and a column chromatography. We requested the customer not to purchase the 50kg raw material, and offered that we will make the 15kg for the price of raw material through a new route  in less than three months time. You pay us only after we deliver 15 kg material. The customer didn’t want to take a chance with their timeline as they didn’t work with us before but requested us to develop the chemistry. In 7 weeks time, we developed a very simple four step route for their advanced intermediate and made 50g. We used very inexpensive and readily available starting material. Our route gave three solid intermediates and completely eliminated chromatographic purifications.

 

One of my former colleague introduced an academic group in midwest and brought us a medchem project requiring synthesis of 65 challenging polyene compounds on 100mg scale. We designed synthetic routes and successfully prepared 60 compounds in a 15 month time.  

UNQUOTE…………

 

The man behind Seeni labs is Dr.Sreenivasa  Reddy Mundla

Sreenivasa Reddy

Dr. Sreenivasa Reddy Mundla

Managing Director at Sreeni Labs Private Limited

Sreeni Labs Private Limited

Road No:12, Plot No:24,25,26

  • IDA, Nacharam
    Hyderabad, 500076
    Telangana State, India

Links

https://sreenilabs.com/

LINKEDIN https://in.linkedin.com/in/sreenivasa-reddy-10b5876

FACEBOOK https://www.facebook.com/sreenivasa.mundla

RESEARCHGATE https://www.researchgate.net/profile/Sreenivasa_Mundla/info

EMAIL mundlasr@hotmail.com,  Info@sreenilabs.com, Sreeni@sreenilabs.com

Dr. Sreenivasa Mundla Reddy

Dr. M. Sreenivasa Reddy obtained Ph.D from University of Hyderabad under the direction Prof Professor Goverdhan Mehta in 1992. From 1992-1994, he was a post doctoral fellow at University of Wisconsin in Professor Jame Cook’s lab. From 1994 to 2000,  worked at Chemical process R&D at Procter & Gamble Pharmaceuticals (P&G). From 2001 to 2007 worked at Global Chemical Process R&D at Eli Lilly and Company in Indianapolis. 

In 2007  resigned to his  job and founded Sreeni Labs based in Hyderabad, Telangana, India  and started working with various global customers and solving various challenging synthesis problems. 
The main strength of Sreeni Labs is in the design, development of a novel chemical route and its development into a robust process followed by production of quality product from 100 grams to 100’s of kg scale.
 

They have helped number of customers by successfully developing highly economical simple chemistry routes to number of products that were made by Suzuki coupling. they are able to shorten the route by drastically reducing number of steps, avoiding use of palladium & expensive ligands. they always use readily available or easy to prepare starting materials in their design of synthetic routes.

Sreeni Labs is Looking for any potential opportunities where people need development of cost effective scalable routes followed by quick scale up to produce quality products in the pharmaceutical & specialty chemicals area. They have flexible business model that will be in sink with customers. One can test their abilities & capabilities by giving PO based projects

Experience

Founder & Managing Director

Sreeni Labs Private Limited

August 2007 – Present (8 years 11 months)

Sreeni Labs Profile

Sreeni Labs Profile

View On SlideShare

Principal Research Scientist

Eli Lilly and Company

March 2001 – August 2007 (6 years 6 months)

Senior Research Scientist

Procter & Gamble

July 1994 – February 2001 (6 years 8 months)

Education

University of Hyderabad

Doctor of Philosophy (Ph.D.), 
1986 – 1992

 

PUBLICATIONS

Article: Expansion of First-in-Class Drug Candidates That Sequester Toxic All-Trans-Retinal and Prevent Light-Induced Retinal Degeneration

Jianye Zhang · Zhiqian Dong · Sreenivasa Reddy Mundla · X Eric Hu · William Seibel ·Ruben Papoian · Krzysztof Palczewski · Marcin Golczak

Article: ChemInform Abstract: Regioselective Synthesis of 4Halo ortho-Dinitrobenzene Derivative

Sreenivasa Mundla

Aug 2010 · ChemInform

Article: Optimization of a Dihydropyrrolopyrazole Series of Transforming Growth Factor-β Type I Receptor Kinase Domain Inhibitors: Discovery of an Orally Bioavailable Transforming Growth Factor-β Receptor Type I Inhibitor as Antitumor Agent

Hong-yu Li · William T. McMillen · Charles R. Heap · Denis J. McCann · Lei Yan · Robert M. Campbell · Sreenivasa R. Mundla · Chi-Hsin R. King · Elizabeth A. Dierks · Bryan D. Anderson · Karen S. Britt · Karen L. Huss

Apr 2008 · Journal of Medicinal Chemistry

Article: ChemInform Abstract: A Concise Synthesis of Quinazolinone TGF-β RI Inhibitor Through One-Pot Three-Component Suzuki—Miyaura/Etherification and Imidate—Amide Rearrangement Reactions

Hong-yu Li · Yan Wang · William T. McMillen · Arindam Chatterjee · John E. Toth ·Sreenivasa R. Mundla · Matthew Voss · Robert D. Boyer · J. Scott Sawyer

Feb 2008 · ChemInform

Article: ChemInform Abstract: A Concise Synthesis of Quinazolinone TGF-β RI Inhibitor Through One-Pot Three-Component Suzuki—Miyaura/Etherification and Imidate—Amide Rearrangement Reactions

Hong-yu Li · Yan Wang · William T. McMillen · Arindam Chatterjee · John E. Toth ·Sreenivasa R. Mundla · Matthew Voss · Robert D. Boyer · J. Scott Sawyer

Nov 2007 · Tetrahedron

Article: Dihydropyrrolopyrazole Transforming Growth Factor-β Type I Receptor Kinase Domain Inhibitors: A Novel Benzimidazole Series with Selectivity versus Transforming Growth Factor-β Type II Receptor Kinase and Mixed Lineage Kinase-7

Hong-yu Li · Yan Wang · Charles R Heap · Chi-Hsin R King · Sreenivasa R Mundla · Matthew Voss · David K Clawson · Lei Yan · Robert M Campbell · Bryan D Anderson · Jill R Wagner ·Karen Britt · Ku X Lu · William T McMillen · Jonathan M Yingling

Apr 2006 · Journal of Medicinal Chemistry

Read full-textSource

Article: Studies on the Rh and Ir mediated tandem Pauson–Khand reaction. A new entry into the dicyclopenta[ a, d]cyclooctene ring system

Hui Cao · Sreenivasa R. Mundla · James M. Cook

Aug 2003 · Tetrahedron Letters

Article: ChemInform Abstract: A New Method for the Synthesis of 2,6-Dinitro and 2Halo6-nitrostyrenes

Sreenivasa R. Mundla

Nov 2000 · ChemInform

Article: ChemInform Abstract: A Novel Method for the Efficient Synthesis of 2-Arylamino-2-imidazolines

Read at

[LINK]

Patents by Inventor Dr. Sreenivasa Reddy Mundla

  • Patent number: 7872020

    Abstract: The present invention provides crystalline 2-(6-methyl-pyridin-2-yl)-3-[6-amido-quinolin-4-yl)-5,6-dihydro -4H-pyrrolo[1,2-b]pyrazole monohydrate.

    Type: Grant

    Filed: June 29, 2006

    Date of Patent: January 18, 2011

    Assignee: Eli Lilly and Company

    Inventor: Sreenivasa Reddy Mundla

  • Publication number: 20100120854

    Abstract: The present invention provides crystalline 2-(6-methyl-pyridin-2-yl)-3-[6-amido-quinolin-4-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole monohydrate.

    Type: Application

    Filed: June 29, 2006

    Publication date: May 13, 2010

    Applicant: ELI LILLY AND COMPANY

    Inventor: Sreenivasa Reddy Mundla

  • Patent number: 6066740

    Abstract: The present invention provides a process for making 2-amino-2-imidazoline, guanidine, and 2-amino-3,4,5,6-tetrahydroyrimidine derivatives by preparing the corresponding activated 2-thio-subsituted-2-derivative in a two-step, one-pot procedure and by further reacting yields this isolated derivative with the appropriate amine or its salts in the presence of a proton source. The present process allows for the preparation of 2-amino-2-imidazolines, quanidines, and 2-amino-3,4,5,6-tetrahydropyrimidines under reaction conditions that eliminate the need for lengthy, costly, or multiple low yielding steps, and highly toxic reactants. This process allows for improved yields and product purity and provides additional synthetic flexibility.

    Type: Grant

    Filed: November 25, 1997

    Date of Patent: May 23, 2000

    Assignee: The Procter & Gamble Company

    Inventors: Michael Selden Godlewski, Sean Rees Klopfenstein, Sreenivasa Reddy Mundla, William Lee Seibel, Randy Stuart Muth

TGF-β inhibitors

US 7872020 B2

Sreenivasa Reddy Mundla

The present invention provides 2-(6-methyl-pyridin-2-yl)-3-[6-amido-quinolin-4-yl) -5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole monohydrate, i.e., Formula I.

Figure US07872020-20110118-C00002

EXAMPLE 1 Preparation of 2-(6-methyl-pyridin-2-yl)-3-[6-amido-quinolin-4-yl-5,6-dihydro-4H -pyrrolo[1,2-b]pyrazole monohydrate

Figure US07872020-20110118-C00008

Galunisertib

1H NMR (CDCl3): δ=9.0 ppm (d, 4.4 Hz, 1H); 8.23-8.19 ppm (m, 2H); 8.315 ppm (dd, 1.9 Hz, 8.9 Hz, 1H); 7.455 ppm (d, 4.4 Hz, 1H); 7.364 ppm (t, 7.7 Hz, 1H); 7.086 ppm (d, 8.0 Hz, 1H); 6.969 ppm (d, 7.7 Hz, 1H); 6.022 ppm (m, 1H); 5.497 ppm (m, 1H); 4.419 ppm (t, 7.3 Hz, 2H); 2.999 ppm (m, 2H); 2.770 ppm (p, 7.2 Hz, 7.4 Hz, 2H); 2.306 ppm (s, 3H); 1.817 ppm (m, 2H). MS ES+: 370.2; Exact: 369.16

ABOVE MOLECULE IS

https://newdrugapprovals.org/2016/05/04/galunisertib/

Galunisertib

Phase III

LY-2157299

CAS No.700874-72-2

 

 

READ MY PRESENTATION ON

Accelerating Generic Approvals, see how you can accelerate your drug development programme

Accelerating Generic Approvals by Dr Anthony Crasto

KEYWORDS   Sreenivasa Mundla Reddy, Managing Director, Sreeni Labs Private Limited, Hyderabad, Telangana, India,  new, economical, scalable routes, early clinical drug development stages, Custom synthesis, custom manufacturing, drug discovery, PHASE 1, PHASE 2, PHASE 3,  API, drugs, medicines

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Virtue Insight invites you to the 9th Biosimilars Congregation 2016, 22nd Sept 2016, The Lalit Hotel, Mumbai, India

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Jul 132016
 

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9th Biosimilars Congregation 2016 during 22nd September 2016 Mumbai,  INDIA

22nd September 2016, The Lalit Hotel, Mumbai, India

Link http://www.virtueinsight.com/pharma/9th-Biosimilars-Congregation-2016/

ANINDITA DAS

ANINDITA DAS

Dr. Reddy’s Laboratories

MANISH VERMA

MANISH VERMA

Sanofi

DEBOLINA PARTAP

DEBOLINA PARTAP

Wockhardt

PARIKSHIT CHAUDHARI

PARIKSHIT CHAUDHARI

Nestle

HANMANT BARKATE

HANMANT BARKATE

Intas Pharmaceuticals

CONFERENCE INTRODUCTION:-

Virtue Insight invites you to the 9th Biosimilars Congregation 2016 during 22nd September 2016 Mumbai – India. This 9th Biosimilars Congregation 2016 brings together scientists, researchers and CROs from around the world. Biologics are a highly effective class of medicines that are based on naturally occurring proteins and produced using living cells. Current concepts of drugs and biologics, Unique considerations for biologics, Early clinical development essentials, Cancer therapeutics, Comparability for Biologics, Biosimilar approvals are the points of discussion in this session.

9th Biosimilars Congregation 2016 conference will bring together top pharmaceutical, biotechnology and regulatory representatives under one roof that will address the key issues of the industry. Hence, this global event will look at the multiple facets of biosimilars, ranging from the evolving regulatory landscapes, biosimilar guidelines to the legal and economic aspects and current challenges in biosimilar development. This biosimilar conference will focus on multiple aspects of biosimilar product development to successfully deliver safe, biosimilar products to the market place. By attending this biologics conference you will gain a comprehensive outlook on the key issues surrounding biosimilars. This event will provide an important platform for biosimilars stakeholders to discuss and share best practices in expediting development in Biosimilars 2016 and onwards.

 

KEY THEMES DISCUSSED IN THIS CONFERENCE:-

  • Global biopharma policy & market trends
  • The future of biosimilars in India
  • The evolving biosimilar sector: Trends and Implications
  • Complex biological models in biosimilar development
  • Viable extrapolation strategies for biosimilars with special emphasis on TNF antagonists
  • Effectively communicate the value of biosimilar products to raise confidence in the class
  • Improving characterization of biosimilars with technology
  • Create a robust patient services and reimbursement support program for biosimilar products
  • The future of the biosimilar industry – mapping the evolution and development of the biosimilar sector
  • Forecasting the financial growth of biosimilars in the global healthcare marketplace
  • Planning of a biosimilar development project – what to consider from the very beginning
  • Clinical development strategies for biosimilars
  • Gaining Better Market Access: Is Commercial CMO Acceptable for the Biosimilars Market?
  • Regulatory Updates and Development
  • Be part of a major networking opportunity

 

WHO WILL YOU MEET:-

CSOs, CMOs, Vice Presidents, Presidents, Heads, Directors, Team Leaders, and Senior Scientists from the following roles:

  • Biopharmaceuticals/ Biotherapeutics
  • Follow on Biologics/Follow on Proteins
  • Biologics/Biotechnology/ Biogenerics
  • Legal Affairs
  • Intellectual Property
  • Health Economics
  • Pricing and Reimbursement
  • Clinical Immunology
  • Principal Scientist
  • Chief Scientific Officer
  • Process Control and Analytical Technologies
  • Analytical Characterisation
  • Regulatory Compliance
  • Pharmacovigilance
  • Drug Safety & Risk Management
  • Quality Affairs/ Quality Control
  • New Product Development
  • Process Science
  • Portfolio Management
  • Research & Development
  • Business Development
  • Business Operations
  • Scientific Affairs
  • Commercial Affairs

 

WHY SHOULD YOU ATTEND?

Get more from the event, with a broader scope bringing the whole communications value chain together? Enjoy and make the best out of ourdedicated networking drinks time, meet the leading international vendors showcasing the products of tomorrow in the co-located exhibition.Expand your knowledge of the latest business models and strategies in the high-level conference. Whether you are on the branded or generic side, you cannot afford to miss this opportunity to benchmark your tactics and strategies against the industry leaders who will be the first to traverse the pathway. Devise an immediate action plan for your biosimilar prosecution and litigation strategies in light of the barriers to entry, research and development costs, and regulatory hurdles, which are balanced against an enormous potential for increased profit margin

Fen Castro

Fen Castro

Head – Productions

Virtue Insight

Tel (India) –       + 91 44 64614333

Mobile (India) –  + 91 9003 26 0693

Tel (UK) –          + 44 2036120886

Fen Castro fen@virtuefirms.com
Cc: Siddhaarth siddhaarth@virtueinsight.co.in

Link http://www.virtueinsight.com/pharma/9th-Biosimilars-Congregation-2016/

 

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Selectbio’s 4th International conference on Drug Discovery India 2016, 29-30 Sept 2016, Bengaluru, India

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Jun 292016
 

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Drug Discovery India 2016

Selectbio’s Drug Discovery India 2016, 29 – 30 September 2016, Bengaluru, India

see

https://selectbiosciences.com/conferences/index.aspx?conf=DDI16&se=india

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Overview

SELECTBIO is delighted to announce its 4th International Drug Discovery India 2016 Conference and Exhibition. This conference will be held in Le Méridien Bangalore Hotel, Bengaluru on September 29-30, 2016. The theme of the conference is “Deriving Best Out of Chemistry, Biotechnology and Natural Products“.

The event aims to expand knowledge by providing insights into the latest developments and innovations in the field of drug discovery, medicinal chemistry, natural products and chemical biology. Every year this event bring together about 200 drug discovery scientists together at a platform to discuss and share drug discovery related research and facilitates collaborations amongst scientists from across the globe.

This meeting will be co-located with our 2nd International Conference  Antibodies and Antibody Drug Conjugates. Registered delegates will have unrestricted access to all co-located meetings ensuring a comprehensive learning and sharing experience as well as being financially beneficial for attendees.

Running alongside the Drug Discovery India 2016 conference will be an Exhibition covering the latest technological advances within these fields. We look forward to welcoming you at the Drug Discovery India 2016 Conference and Exhibition and hope that the two days will be both informative and enjoyable.

Who Should Attend

Drug Discovery Scientists, Medicinal Chemists, Biotechnologists & Researchers from Pharmaceutical Industry R&D and Academic institutions working in the area of New Drug Discovery Research, Discovery and Development of New Chemical entities, Biomolecular Screening Technologies, Drug Target Identification, Structure-based and Target-based, Drug Design, Protein-Protein Interactions, Drug Repurposing, Orphan Drugs, Chemical Biology, Stem Cell, Epigenetics as well as Natural Products.

Conference Chair

Dr. Rathnam Chaguturu

Dr Rathnam Chaguturu
Founder & CEO, iDDPartners

 

 

 

Dr. Sanjay Bajaj, Ph.D.

Managing Director

Unit 21, Level 2, Berkeley Square, Plot 24,

Industrial Area Phase I, Chandigarh 160002, India

Phone: +91 172 5025050, M: +91 9814412082

Email: s.bajaj@selectbio.com; Website: www.selectbiosciences.com; www.selectbioindia.net

Upcoming Events in India

Show Calender 2016

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https://selectbiosciences.com/conferences/index.aspx?conf=DDI16&se=india

//////////Sanjay Bajaj, Selectbio, Drug Discovery India 2016, 29 – 30 September 2016, Bengaluru, India

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Novartis, Torrent drug for diabetes, NVP-LBX192, LBX-192

 Uncategorized  Comments Off on Novartis, Torrent drug for diabetes, NVP-LBX192, LBX-192
Jun 192016
 

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Figure US07750020-20100706-C00023

 

CHEMBL573983.png

(R)-3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

(3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide)

(R)-3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

Cas 866772-52-3

Novartis Ag

NVP-LBX192

LBX-192

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R(−) 3-cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

R(−)17c BELOW

Abstract Image
Inventors Gregory Raymond Bebernitz, Ramesh Chandra Gupta, Vikrant Vijaykumar Jagtap, Appaji Baburao Mandhare, Davinder Tuli,
Original Assignee Novartis Ag

 

Molecular Formula: C26H33N5O4S2
Molecular Weight: 543.70132 g/mol

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LBX192, also known as NVP-LBX192, is a Liver Targeted Glucokinase Activator. LBX192 activated the GK enzyme in vitro at low nM concentrations and significantly reduced glucose levels during an oral glucose tolerance test in normal as well as diabetic mice. A GK activator has the promise of potentially affecting both the beta-cell of the pancreas, by improving glucose sensitive insulin secretion, as well as the liver, by reducing uncontrolled glucose output and restoring post prandial glucose uptake and storage as glycogen.

SYNTHESIS BY WORLDDRUGTRACKER

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54 Discovery and Evaluation of NVP-LBX192, a Liver Targeted Glucokinase Activator

Thursday, October 8, 2009: 10:30 AM
Nathan Hale North (Hilton Third Floor)
Gregory R. Bebernitz, PhD , Global Discovery Chemistry, Novartis Institute for Biomedical Research, Cambridge, MA
Glucokinase (GK) activators are currently under investigation by a number of pharmaceutical companies with only a few reaching clinical evaluation.  A GK activator has the promise of potentially affecting both the beta-cell of the pancreas, by improving glucose sensitive insulin secretion, as well as the liver, by reducing uncontrolled glucose output and restoring post prandial glucose uptake and storage as glycogen.  We will describe our efforts to generate liver selective GK activators which culminated in the discovery of NVP-LBX192 (3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide).  This compound activated the GK enzyme in vitro at low nM concentrations and significantly reduced glucose levels during an oral glucose tolerance test in normal as well as diabetic mice.

https://acs.confex.com/acs/nerm09/webprogram/Paper75087.html

Sulfonamide-Thiazolpyridine Derivatives,  Glucokinase Activators, Treatment Of Type 2 Diabetes

2009 52 (19) 6142 – 6152
Investigation of functionally liver selective glucokinase activators for the treatment of type 2 diabetes
Journal of Medicinal Chemistry
Bebernitz GR, Beaulieu V, Dale BA, Deacon R, Duttaroy A, Gao JP, Grondine MS, Gupta RC, Kakmak M, Kavana M, Kirman LC, Liang JS, Maniara WM, Munshi S, Nadkarni SS, Schuster HF, Stams T, Denny IS, Taslimi PM, Vash B, Caplan SL

2010 240th (August 22) Medi-198
Glucokinase activators with improved physicochemicalproperties and off target effects
American Chemical Society National Meeting and Exposition
Kirman LC, Schuster HF, Grondine MS et al

2010 240th (August 22) Medi-197
Investigation of functionally liver selective glucokinase activators
American Chemical Society National Meeting and Exposition
Schuster HF, Kirman LC, Bebernitz GC et al

PATENT

http://www.google.com/patents/US7750020

EXAMPLE 1 3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

A. Phenylacetic Acid Ethyl Ester

A solution of phenylacetic acid (50 g, 0.36 mol) in ethanol (150 mL) is treated with catalytic amount of sulfuric acid (4 mL). The reaction mixture is refluxed for 4 h. The reaction is then concentrated in vacuo. The residue is dissolved in diethyl ether (300 mL) and washed with saturated aqueous sodium bicarbonate solution (2×50 mL) and water (1×100 mL). The organic layer dried over sodium sulfate filtered and concentrated in vacuo to give phenylacetic acid ethyl ester as a colorless oil: 1H NMR (400 MHz, CDCl3) δ 1.2 (t, J=7.2, 3H), 3.6 (s, 2H), 4.1 (q, J=7.2, 2H), 7.3 (m, 5H); MS 165 [M+1]+.

B. (4-Chlorosulfonyl-phenyl)-acetic acid ethyl ester

To a cooled chlorosulfonic acid (83.83 g, 48 mL, 0.71 mol) under nitrogen is added the title A compound, phenylacetic acid ethyl ester (59 g, 0.35 mol) over a period of 1 h. Reaction temperature is brought to RT (28° C.), then heated to 70° C., maintaining it at this temperature for 1 h while stirring. Reaction is cooled to RT and poured over saturated aqueous sodium chloride solution (200 mL) followed by extraction with DCM (2×200 mL). The organic layer is washed with water (5×100 mL), followed by saturated aqueous sodium chloride solution (1×150 mL). The organic layer dried over sodium sulfate, filtered and concentrated in vacuo to give crude (4-chlorosulfonyl-phenyl)acetic acid ethyl ester. Further column chromatography over silica gel (60-120 mesh), using 100% hexane afforded pure (4-chlorosulfonyl-phenyl)-acetic acid ethyl ester as a colorless oil.

C. [4-(4-Methyl-piperazine-1-sulfonyl)-phenyl]-acetic acid ethyl ester

A solution of N-methylpiperazine (9.23 g, 10.21 ml, 0.092 mol), DIEA (13 g, 17.4 mL, 0.10 mol) and DCM 80 mL is cooled to 0° C., and to this is added a solution of the title B compound, (4-chlorosulfonyl-phenyl)-acetic acid ethyl ester (22 g, 0.083 mol) in 50 mL of DCM within 30 min. Reaction mixture stirred at 0° C. for 2 h, and the reaction mixture is washed with water (100 mL), followed by 0.1 N aqueous hydrochloric acid solution (1×200 mL). The organic layer dried over sodium sulfate, filtered and concentrated under vacuo to give crude [4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-acetic acid ethyl ester. Column chromatography over silicagel (60-120 mesh), using ethyl acetate afforded pure [4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-acetic acid ethyl ester as white crystalline solid: 1H NMR (400 MHz, CDCl3) δ 1.3 (t, J=7.4, 3H), 2.3 (s, 3H), 2.5 (m, 4H), 3.0 (br s, 4H), 3.7 (s, 2H), 4.2 (q, J=7.4, 2H), 7.4 (d, J=8.3, 2H), 7.7 (d, J=7.3, 2H); MS 327 [M+1]+.

D. 3-Cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid ethyl ester

A solution of the title C compound, [4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-acetic acid ethyl ester (15 g, 0.046 mol) in a mixture of THF (60 mL) and DMTP (10 mL) is cooled to −78° C. under nitrogen. The resulting solution is stirred at −78° C. for 45 min and to this is added LDA (25.6 mL, 6.40 g, 0.059 mol, 25% solution in THF/Hexane). A solution of iodomethylcyclopentane (11.60 g, 0.055 mol) in a mixture of DMTP (12 mL) and THF (20 mL) is added over a period of 15 min at −78° C. and reaction mixture stirred at −78° C. for 3 h further, followed by stirring at 25° C. for 12 h. The reaction mixture is then quenched by the dropwise addition of saturated aqueous ammonium chloride solution (50 mL) and is concentrated in vacuo. The residue is diluted with water (50 mL) and extracted with ethyl acetate (3×100 mL). The organic solution is washed with a saturated aqueous sodium chloride (2×150 mL), dried over sodium sulfate, filtered and concentrated in vacuo. Column chromatography over silica gel (60-120 mesh), using 50% ethyl acetate in hexane as an eluent to afford 3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid ethyl ester as a white solid: 1H NMR (400 MHz, CDCl3) δ 0.9-2.1 (m, 11H), 1.2 (t, J=7.1, 3H), 2.3 (s, 3H), 2.5 (br s, 4H), 3.0 (br s, 4H), 3.6 (m, 1H), 4.1 (q, J=7.1, 2H), 7.5 (d, J=8.3, 2H), 7.7 (d, J=8.3, 2H); MS 409 [M+1]+.

E. 3-Cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid

A solution of the title D compound, 3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid ethyl ester (14 g, 0.034 mol) in methanol:water (30 mL:10 mL) and sodium hydroxide (4.11 g, 0.10 mol) is stirred at 60° C. for 8 h in an oil bath. The methanol is then removed in vacuo at 45-50° C. The residue is diluted with water (25 mL) and extracted with ether (1×40 mL). The aqueous layer is acidified to pH 5 with 3 N aqueous hydrochloric acid solution. The precipitated solid is collected by vacuum filtration, washed with water (20 mL), followed by isopropyl alcohol (20 mL). Finally, solid cake is washed with 100 mL of hexane and dried under vacuum at 40° C. for 6 h to give 3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid as a white solid: 1H NMR (400 MHz, CDCl3) δ 1.1-2.0 (m, 11H), 2.4 (s, 3H), 2.7 (br s, 4H), 3.1 (br s, 4H), 3.6 (m, 1H), 7.5 (d, J=8.3, 2H), 7.6 (d, J=8.3, 2H); MS 381 [M+l]+.

F. 5-Methoxy-thiazolo[5,4-b]pyridin-2-ylamine

A solution of 6-methoxy-pyridin-3-ylamine (5.0 g, 0.0403 mol) in 10 mL of acetic acid is added slowly to a solution of potassium thiocyanate (20 g, 0.205 mol) in 100 mL of acetic acid at 0° C. followed by a solution of bromine (2.5 mL, 0.0488 mol) in 5 mL of acetic acid. The reaction is stirred for 2 h at 0° C. and then allowed to warm to RT. The resulting solid is collected by filtration and washed with acetic acid, then partitioned between ethyl acetate and saturated aqueous sodium bicarbonate. The insoluble material is removed by filtration and the organic layer is evaporated and dried to afford 5-methoxy-thiazolo[5,4-b]pyridin-2-ylamine as a tan solid.

G. 3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

A solution of the title E compound, 3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid (5 g, 0.013 mol) in DCM (250 mL) is cooled to 0° C. and then charged HOBt hydrate (2.66 g, 0.019 mol), followed by EDCI hydrochloride (6 g, 0.031 mol). The reaction mixture is stirred at 0° C. for 5 h. After that the solution of the title F compound, 5-methoxy-thiazolo[5,4-b]pyridin-2-ylamine (2.36 g, 0.013 mol) and D1EA (8 mL, 0.046 mol) in a mixture of DCM (60 mL) and DMF (20 mL) is added dropwise over 30 min. Reaction temperature is maintained at 0° C. for 3 h, then at RT (28° C.) for 3 days. Reaction is diluted with (60 mL) of water and the organic layer is separated and washed with saturated sodium bicarbonate solution (2×50 mL) followed by water washing (2×50 mL) and saturated sodium chloride aqueous solution (1×150 mL). Finally the organic layer is dried over sodium sulfate, filtered, and evaporated under vacuo. The crude product is purified using column chromatography over silica gel (60-120 mesh), using 40% ethyl acetate in hexane as an eluent to afford 3-cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide as a white solid: 1H NMR (400 MHz, CDCl3) δ 0.9-2.1 (m, 11H), 2.2 (s, 3H), 2.5 (br s, 4H), 3.1 (br s, 4H), 3.7 (m, 1H), 4.0 (s, 3H), 6.8 (d, J=8.8, 1H), 7.5 (d, J=8.3, 2H), 7.7 (d, J=8.3, 2H), 7.8 (d, J=8.8, 1H), 8.6 (s, 1H); MS 617 [M+1]+.

H. 3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide dihydrochloride

The title G compound, 3-cyclopentyl-2-(4-methyl piperazinyl sulfonyl)phenyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)propionamide (2.8 g, 0.0051 mol) is added to a cooled solution of 10% hydrochloric acid in isopropanol (3.75 mL). The reaction mixture is stirred at 0° C. for 1 h and then at RT for 2 h. The solid is separated, triturated with 10 mL of isopropanol and collected by vacuum filtration and washed with 50 mL of hexane. The solid is dried at 70° C. for 48 h to afford 3-cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide dihydrochloride as an off white solid.

EXAMPLE 2 (R)-3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

The title compound is obtained analogously to Example 1 by employing the following additional resolution step:

The racemic title E compound of Example 1,3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid (10 g, 0.026 mol) in 1,4-dioxane (500 mL) is treated in a three necked 1 liter flask, equipped with heating mantle, water condenser, calcium chloride guard tube and mechanical stirrer with 3.18 g (0.026 mol) of (R)-(+)-1-phenylethylamine. This reaction mixture is then refluxed at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized salt is collected by filtration under vacuum, washed with 5 mL of hexane and dried under vacuum to afford salt A.

The salt A is dissolved in 1,4-dioxane (500 mL) and heated at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 50 mL of hexane, and dried under vacuum to afford salt B.

The salt B is dissolved in 1,4-dioxane (290 mL) and heated at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 30 mL of hexane, and dried under vacuum to afford salt C.

The salt C is dissolved in 1,4-dioxane (100 mL) and heated at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 30 ml of hexane, and dried under vacuum to afford salt D.

The salt D is treated with aqueous hydrochloric acid solution (20 mL, 1 mL of concentrated hydrochloric acid diluted with 100 mL of water) and stirred for 5 min. The white solid precipitates out and is collected by vacuum filtration, washed with 10 mL of cold water, 5 mL of isopropanol and 20 mL of hexane, and dried under vacuum to yield the hydrochloride salt of (R)-(−)-3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid, salt E.

The salt E is neutralized by stirring with aqueous sodium bicarbonate solution (10 mL, 1 g of sodium bicarbonate dissolved in 120 mL of water) for 5 min. The precipitated solid is collected by filtration, washed with 10 mL of cold water, 100 mL of hexane, and dried to afford (R)-(−)-3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid: m.p. 202.2-203.4° C.

Alternatively, the title compound may be obtained by the resolution of the racemic title compound of Example 1 using the following preparative chiral HPLC method:

  • Column: Chiralcel OD-R (250×20 mm) Diacel make, Japan;
  • Solvent A: water:methanol:acetonitrile (10:80:10 v/v/v);
  • Solvent B: water:methanol:acetonitrile (05:90:05 v/v/v);
  • Using gradient elution: gradient program (time, min/% B): 0/0, 20/0, 50/100, 55/0, 70/0;
  • Flow rate: 6.0 mL/min; and
  • Detection: by UV at 305 nm.

EXAMPLE 3 (S)-3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

The title compound is prepared analogously to Example 2.

J MED CHEM 2009, 52, 6142-52

Investigation of Functionally Liver Selective Glucokinase Activators for the Treatment of Type 2 Diabetes

Novartis Institutes for BioMedical Research, Inc., 100 Technology Square, Cambridge, Massachusetts 02139
Torrent Research Centre, Village Bhat, Gujarat, India
J. Med. Chem., 2009, 52 (19), pp 6142–6152
DOI: 10.1021/jm900839k

http://pubs.acs.org/doi/abs/10.1021/jm900839k

Abstract Image

Type 2 diabetes is a polygenic disease which afflicts nearly 200 million people worldwide and is expected to increase to near epidemic levels over the next 10−15 years. Glucokinase (GK) activators are currently under investigation by a number of pharmaceutical companies with only a few reaching early clinical evaluation. A GK activator has the promise of potentially affecting both the β-cells of the pancreas, by improving glucose sensitive insulin secretion, as well as the liver, by reducing uncontrolled glucose output and restoring post-prandial glucose uptake and storage as glycogen. Herein, we report our efforts on a sulfonamide chemotype with the aim to generate liver selective GK activators which culminated in the discovery of 3-cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide (17c). This compound activated the GK enzyme (αKa = 39 nM) in vitro at low nanomolar concentrations and significantly reduced glucose levels during an oral glucose tolerance test in normal mice.

STR3

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PATENT

EP-1735322-B1

Example 2(R)-3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

Image loading...

The title compound is obtained analogously to Example 1 by employing the following additional resolution step:

The racemic title E compound of Example 1, 3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid (10 g, 0.026 mol) in 1,4-dioxane (500 mL) is treated in a three necked 1 liter flask, equipped with heating mantle, water condenser, calcium chloride guard tube and mechanical stirrer with 3.18 g (0.026 mol) of (R)-(+)-1-phenylethylamine. This reaction mixture is then refluxed at 100°C for 1 h. The clear reaction solution is cooled to RT (27°C) and stirred for 10 h. The crystallized salt is collected by filtration under vacuum, washed with 5 mL of hexane and dried under vacuum to afford salt A.

The salt A is dissolved in 1,4-dioxane (500 mL) and heated at 100°C for 1 h. The clear reaction solution is cooled to RT (27°C) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 50 mL of hexane, and dried under vacuum to afford salt B.

The salt B is dissolved in 1,4-dioxane (290 mL) and heated at 100°C for 1 h. The clear reaction solution is cooled to RT (27°C) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 30 mL of hexane, and dried under vacuum to afford salt C.

The salt C is dissolved in 1,4-dioxane (100 mL) and heated at 100°C for 1 h. The clear reaction solution is cooled to RT (27°C) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 30ml of hexane, and dried under vacuum to afford salt D.

The salt D is treated with aqueous hydrochloric acid solution (20 mL, 1 mL of concentrated hydrochloric acid diluted with 100 mL of water) and stirred for 5 min. The white solid precipitates out and is collected by vacuum filtration, washed with 10 mL of cold water, 5 mL of isopropanol and 20 mL of hexane, and dried under vacuum to yield the hydrochloride salt of (R)-(-)-3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid, salt E.

The salt E is neutralized by stirring with aqueous sodium bicarbonate solution (10 mL, 1 g of sodium bicarbonate dissolved in 120 mL of water) for 5 min. The precipitated solid is collected by filtration, washed with 10 mL of cold water, 100 mL of hexane, and dried to afford (R)-(-)-3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid: m.p. 202.2-203.4°C.

Alternatively, the title compound may be obtained by the resolution of the racemic title compound of Example 1 using the following preparative chiral HPLC method:

  • Column: Chiralcel OD-R (250 x 20 mm) Diacel make, Japan;
  • Solvent A: water:methanol:acetonitrile (10:80:10 v/v/v);
  • Solvent B: water:methanol:acetonitrile (05:90:05 v/v/v);
  • Using gradient elution: gradient program (time, min / %B): 0/0, 20/0, 50/100, 55/0, 70/0;
  • Flow rate: 6.0 mL/min; and
  • Detection: by UV at 305 nm.

REFERENCES

US 7750020

WO-2005095418-A1

US-20080103167-A1

1 to 2 of 2
Patent ID Date Patent Title
US2015218151 2015-08-06 NOVEL PHENYLACETAMIDE COMPOUND AND PHARMACEUTICAL CONTAINING SAME
US7750020 2010-07-06 Sulfonamide-Thiazolpyridine Derivatives As Glucokinase Activators Useful The Treatment Of Type 2 Diabetes

 

 

 PAPER

Investigation of Functionally Liver Selective Glucokinase Activators for the Treatment of Type 2 Diabetes

Novartis Institutes for BioMedical Research, Inc., 100 Technology Square, Cambridge, Massachusetts 02139
Torrent Research Centre, Village Bhat, Gujarat, India
J. Med. Chem., 2009, 52 (19), pp 6142–6152
DOI: 10.1021/jm900839k
Publication Date (Web): September 11, 2009
Copyright © 2009 American Chemical Society
*To whom correspondence should be addressed. Phone: (617) 871 7302. Fax: (617) 871 7042. E-mail: greg.bebernitz@novartis.com.

Abstract Image

Type 2 diabetes is a polygenic disease which afflicts nearly 200 million people worldwide and is expected to increase to near epidemic levels over the next 10−15 years. Glucokinase (GK) activators are currently under investigation by a number of pharmaceutical companies with only a few reaching early clinical evaluation. A GK activator has the promise of potentially affecting both the β-cells of the pancreas, by improving glucose sensitive insulin secretion, as well as the liver, by reducing uncontrolled glucose output and restoring post-prandial glucose uptake and storage as glycogen. Herein, we report our efforts on a sulfonamide chemotype with the aim to generate liver selective GK activators which culminated in the discovery of 3-cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide (17c). This compound activated the GK enzyme (αKa = 39 nM) in vitro at low nanomolar concentrations and significantly reduced glucose levels during an oral glucose tolerance test in normal mice.

str1

https://www.google.com/patents/US7750020

EXAMPLE 2 (R)-3-Cyclopentyl-N-(5-methoxy-thiazolo[5,4-b]pyridin-2-yl)-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionamide

The title compound is obtained analogously to Example 1 by employing the following additional resolution step:

The racemic title E compound of Example 1,3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid (10 g, 0.026 mol) in 1,4-dioxane (500 mL) is treated in a three necked 1 liter flask, equipped with heating mantle, water condenser, calcium chloride guard tube and mechanical stirrer with 3.18 g (0.026 mol) of (R)-(+)-1-phenylethylamine. This reaction mixture is then refluxed at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized salt is collected by filtration under vacuum, washed with 5 mL of hexane and dried under vacuum to afford salt A.

The salt A is dissolved in 1,4-dioxane (500 mL) and heated at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 50 mL of hexane, and dried under vacuum to afford salt B.

The salt B is dissolved in 1,4-dioxane (290 mL) and heated at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 30 mL of hexane, and dried under vacuum to afford salt C.

The salt C is dissolved in 1,4-dioxane (100 mL) and heated at 100° C. for 1 h. The clear reaction solution is cooled to RT (27° C.) and stirred for 10 h. The crystallized product is collected by filtration under vacuum, washed with 30 ml of hexane, and dried under vacuum to afford salt D.

The salt D is treated with aqueous hydrochloric acid solution (20 mL, 1 mL of concentrated hydrochloric acid diluted with 100 mL of water) and stirred for 5 min. The white solid precipitates out and is collected by vacuum filtration, washed with 10 mL of cold water, 5 mL of isopropanol and 20 mL of hexane, and dried under vacuum to yield the hydrochloride salt of (R)-(−)-3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid, salt E.

The salt E is neutralized by stirring with aqueous sodium bicarbonate solution (10 mL, 1 g of sodium bicarbonate dissolved in 120 mL of water) for 5 min. The precipitated solid is collected by filtration, washed with 10 mL of cold water, 100 mL of hexane, and dried to afford (R)-(−)-3-cyclopentyl-2-[4-(4-methyl-piperazine-1-sulfonyl)-phenyl]-propionic acid: m.p. 202.2-203.4° C.

Alternatively, the title compound may be obtained by the resolution of the racemic title compound of Example 1 using the following preparative chiral HPLC method:

  • Column: Chiralcel OD-R (250×20 mm) Diacel make, Japan;
  • Solvent A: water:methanol:acetonitrile (10:80:10 v/v/v);
  • Solvent B: water:methanol:acetonitrile (05:90:05 v/v/v);
  • Using gradient elution: gradient program (time, min/% B): 0/0, 20/0, 50/100, 55/0, 70/0;
  • Flow rate: 6.0 mL/min; and
  • Detection: by UV at 305 nm.

 

Patent ID Date Patent Title
US2015218151 2015-08-06 NOVEL PHENYLACETAMIDE COMPOUND AND PHARMACEUTICAL CONTAINING SAME
US7750020 2010-07-06 Sulfonamide-Thiazolpyridine Derivatives As Glucokinase Activators Useful The Treatment Of Type 2 Diabetes

Torrent Research Centre, Village Bhat, Gujarat, India

Mr. Samir Mehta, 52, is the Vice Chairman of the USD 2.75 billion Torrent Group and Chairman of Torrent Pharma

 

Mr. Sudhir Mehta - Executive Chairman

 

 

 

 

 

 

 

 

 

Shri Sudhir Mehta – Chairman Emeritus ::

 

Dr. Chaitanya Dutt – Director (Research & Development) ::
Dr. Chaitanya Dutt - Director (R&D)Born in the year 1950, Dr. Chaitanya Dutt holds an MD in Medicine. He practiced as a consulting physician before joining the company in 1982. Since then he has been associated with the Company. His rich experience spans in the areas of Pharma R&D, clinical research, manufacturing, quality assurance, etc. He is one of the key professionals in the top management team of the Company. He has been instrumental in setting up the Torrent Research Centre (TRC), the research wing of the Company. Under his prudent guidance and leadership, TRC has achieved tremendous progress in the areas of discovery research as well as development work on formulations. He does not hold any directorship in any other company.

 

///NOVARTIS, DIABETES, Sulfonamide-Thiazolpyridine Derivatives,  Glucokinase Activators, Treatment Of Type 2 Diabetes, 866772-52-3, Novartis Molecule, functionally liver selective glucokinase activators, treatment of type 2 diabetes , NVP-LBX192, LBX-192

c1(sc2nc(ccc2n1)OC)NC(C(c3ccc(cc3)S(=O)(=O)N4CCN(CC4)C)CC5CCCC5)=O

 

 

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