METHOD FOR PREPARING IMIDAZO (2,1-B) BENZO-THIAZOIS DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

Compounds of formula: …IMAGE… in which R1 denotes either the group (A): …IMAGE… in which R4 and R5 are hydrogen or C1-5 alkyl, R6 is hydrogen, C1-5 alkyl, phenyl, halogen, C2-5 alkoxycarbonyl, cyano, amido, mono- or dialkylamido, or the group (B): …IMAGE… in which R7 and R8 are hydrogen, C1-5 alkyl, R2 and R3 denote: …IMAGE… in which m is 1, 2 or 3, X1 and X2 are hydrogen, alkyl, alkenyl, C5 alkoxy, aralkoxy, aryloxy, halogen, nitrile or azido or X1 and X2 together form a methylenedioxy radical, and their salts, their preparation, their application as medications and new intermediates.