PROCESS FOR PRODUCING N-/BICYCLOYL-CARBOXYLIC ACID/-ARYL- OR ALKYL-SULFONAMIDE DERIVATIVES AND PHARMACEUTICAL PREPARATIONS COMPRISING THEM AS ACTIVE SUBSTANCE

摘要

Bicyclic sulfonamido derivatives represented by the formula: IMAGE wherein R1 is a hydrogen or lower alkyl; R2 is an alkyl, substituted or unsubstituted arly, aralkyl or hetelocycle; R3 is a hydrogen or methyl; X is an alkylene or alkenylene which may be substituted by a fluorine atom or atoms an may contain an oxygen, sulfur and/or phenylene in the chain; Y is straight or branched alkylene or alkenylene, oxygen, or sulfur; m is 0 or 1; and n is 0, 1 or 2, or their salt, said derivatives being useful as antithrombotic, anti-vasoconstricting, and anti-bronchoconstricting drugs.