1227941-29-8Relevant articles and documents
PROCESS FOR PREPARING (4S, 6S)-4-(ETHYLAMINO)-5,6-DIHYDRO-6-METHYL-4H-THIENO-[2,3-B]THIOPYRAN-2-SULFONAMIDE-7,7-DIOXIDE AND ITS INTERMEDIATES
-
, (2011/09/19)
Disclosed herein is an improved process for the preparation of (4S,6S)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno-[2,3-b]thiopyran-2-sulfonamide-7,7- dioxide (Dorzolamide) and its intermediates.
PROCESS FOR PREPARING DORZOLAMIDE
-
Page/Page column 6-7, (2008/06/13)
A process for resolving dorzolamide trans racemate, which comprises reacting said racemate with (1S) - (+) -10-camphorsulfonic acid so obtaining the (4S, 6S) enantiomer by selectively precipitating and recovering the camphorsulfonic acid salt thereof (dor