Method for preparation of (s)-(+)- and...

Details Method for preparation of (s)-(+)- and... Method for preparation of (s)-(+)- and...

C - Chemistry, Metallurgy

07

D

C07D 223/28 (2006.01)

Patent

CA 2447980

An efficient and high-yielding method for the preparation of optically pure (S)-(+)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide and (R)-(- )-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide by resolution of racemic (.plusmn.)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5- carboxamide using a tartaric acid anhydride.

La présente invention concerne une technique efficace et à haut rendement de préparation de (S)-(+)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide et de (R)-(-)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azépine-5-carboxamide optiquement pur par résolution de (.plusmn.)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide racémique à l'aide d'un anhydride d'oxyde tartrique.

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