Jan 082015

The diastereoselective [2+2] photocycloaddition of ethylene to a chiral cyclohexenone was studied in a continuous flow microcapillary reactor. In all cases examined, the microcapillary reactor gave higher conversions and selectivity than the batch system, even after shorter irradiation times. These findings were explained by the superior temperature control, favorable light penetration, and generation of a gas–liquid slug flow with improved mass transfer in the microreactor.

Diastereoselective [2+2] Photocycloaddition of a Chiral Cyclohexenone with Ethylene in a Continuous Flow Microcapillary Reactor

Journal of Flow Chemistry
Publisher Akadémiai Kiadó
ISSN 2062-249X (Print)
2063-0212 (Online)
Subject Flow Chemistry
Issue Volume 2, Number 3/September 2012
Pages 73-76
DOI 10.1556/JFC-D-12-00005


Kimitada Terao1, Yasuhiro Nishiyama1, Hiroki Tanimoto1, Tsumoru Morimoto1, Michael Oelgemöller2, Kiyomi Kakiuchi1 Email for,

1Nara Institute of Science and Technology (NAIST) Graduate School of Materials Science 8916-5 Takayama-cho, Ikoma Nara 630-0192 Japan
2James Cook University School of Pharmacy and Molecular Sciences Townsville QLD 4811 Australia



“Novel Enhancement of Diastereoselectivity of [2+2] Photocycloaddition of
Chiral Cyclohexenones to Ethylene by Adding Naphthalenes”

Ken Tsutsumi, Hiroaki Nakano, Akinori Furutani, Katsunori Endou, Abdurshit Merpuge
Takuya Shintani, Tsumoru Morimoto, Kiyomi Kakiuchi
J. Org. Chem. 200469, 3, 785-789.


“Diastereoselective [2+2] Photocycloaddition of Polymer-Supported
Cyclic Chiral Enone with Ethylene”

Takuya Shintani, Kazunori Kusabiraki, Atsuko Hattori, Akinori Furutani, Ken Tsutsumi,
Tsumoru Morimoto, Kiyomi Kakiuchi
Tetrahedron Lett. 200445, 9, 1849-1851.


“Diastereoselective [2+2] Photocycloaddition of Cyclohexenone Derivative with Olefines in Supercritical Carbon Dioxide
Yasuhiro Nishiyama, Kazuya Nakatani, Hiroki Tanimoto, Tsumoru Morimoto, Kiyomi Kakiuchi
J. Org. Chem. 201378, 7186-7193.

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“Diastereoselective [2+2] Photocycloaddition of Chiral Cyclic Enones with Olefins in Aqueous Media Using Surfactants”
Yasuhiro Nishiyama, Mikiko Shibata, Takuya Ishii, Tsumoru Morimoto, Hiroki Tanimoto,
Ken Tsutsumi, Kiyomi Kakiuchi
Molecules, 2013, 18, 1626-1637.



“Highly diastereodifferentiating and regioselective [2+2]-photoreactions using methoxyaromatic menthyl cyclohexenone carboxylates”
Inga Inhulsen, Naoya Akiyama, Ken Tsutsumi, Yasuhiro Nishiyama, Kiyomi Kakiuchi

Tetrahedron 2013, 69, 782-790.


“Diastereodifferentiating [2+2] Photocycloaddition of Chiral Cyclohexenone Carboxylates with Cyclopentene by a Microreactor”
Kimitada Terao, Yasuhiro Nishiyama, Shin Aida, Hiroki Tanimoto, Tsumoru Morimoto,
Kiyomi Kakiuchi
J. Photochem. Photobiol. A: Chem. 2012242, 13-19.


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