AUTHOR OF THIS BLOG

DR ANTHONY MELVIN CRASTO, WORLDDRUGTRACKER
Oct 092017
 

 

CrystEngComm, 2017, 19,5703-5706
DOI: 10.1039/C7CE01275F, Communication
Christopher S. Frampton, James H. Gall, David D. MacNicol
In the trigonal CCl4quasiracemic clathrate, space group R3, formed from host components S-(-)-Dianin’s compound, 4, and its (+)-2R,4R 2-nor methyl analogue, 2, the unprecedented complete ordering of a C-Cl bond of the guest with respect to the c-axial direction and the participation of an unexpected host conformation is reported for the first time.

Total CCl4 guest alignment in a quasiracemic clathrate closely related to Dianin’s compound

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Abstract

Single crystal X-ray analysis at 100 K reveals that in the trigonal CCl4quasiracemic clathrate, space group R3, formed from host components S-(−)-Dianin’s compound and its (+)-2R,4R 2-nor methyl analogue there is an unprecedented complete ordering of a C–Cl bond of the guest with respect to the c-axial direction. In this clathrate and that formed from the (+)-2R,4R and (+)-2R,4S epimers the participation of an unexpected host conformation is reported for the first time.

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