BENZENESULFONAMIDE DERIVATIVE AND USE THEREOF.

摘要

A benzenesulfonamide derivative represented by general formula (I) and a pharmacologically acceptable salt thereof, wherein R<1> represents hydrogen, lower alkyl, lower alkoxy or halogen; R<2> represents C1-C10 linear or branched alkyl, C3-C8 cycloalkyl optionally substituted by C1-C6 alkyl, C1-C6 alkyl substituted by C3-C8 cycloalkyl, 1-adamantylmethyl, 2-norbornylmethyl or phenyl-substituted C1-C6 alkyl which may be substituted on the benzene ring; R<3> represents hydrogen or lower alkyl; and n represents an integer of 2 to 4. The compound has a thromboxane A2 antagonism, a leucotriene antagonism, and so on, thus being useful as platelet aggregation inhibitor, antithrombotic, antiasthmatic, and antiallergic.