Antihypertensive 3-piperidinyl-indazole derivatives

摘要

Novel antihypertensive 3-piperidinyl-indazole derivatives of formula wherein R<1> is hydrogen or C1-6alkyl; R<2> is hydrogen; C1-6alkyl; substituted C1-6alkyl; optionally substituted phenyl; C1-6alkylcarbonyl; C1-6alkyloxycarbonyl or phenylcarbonyl, wherein phenyl may be substituted; R<3> and R<4> are hydrogen, halo, hydroxy, C1-6alkyloxy or C1-6alkyl; Q is a bicyclic heterocyclic radical of formula the pharmaceutically acceptable acid addition salts and possible stereochemically isomeric forms thereof, which compounds are antihypertensive agents; pharmaceutical compositions containing such compounds as an active ingredient and methods of preparing said compounds and pharmaceutical compositions.