Improved process for the preparation of (r)-(+)-4-(ethyiamino)-3,4-dihydro-2-(3- methoxypropyl)-2h-thieno[3,2-e]-l,2-thiazine-6-sulfonamide-l,l-dioxide
Disclosed herein is an improved process for the preparation of (R)-(+)-4- (Ethylamino)-3,4-dihydro-2-(3-methoxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6- sulfonamide- 1,1 -dioxide (Brinzolamide) and novel intermediates thereof.