TRIAZINE DERIVATIVES,PROCESSES FOR PREPARATION THEREOF AND PHARMACEUTICAL COMPOSITIONS COMPRISING THE SAME

摘要

New traizine derivatives represented by the formula: …… wherein R<1> is hydrogen; halogen or hydrazinocarbonyl (lower) alkyl;… R<2> is hydrazino;… azido;… halosulfonyl;… mono- or di(lower)alkylamino;… mono- or di-(lower)alkynylamino;… pyridylamino;… lower alkylideneamino substituted by furyl pyridyl or aryl;… mono- or di-(lower) alkylamino substituted by amino, carboxy, hydroxy, ureido, lower alkoxy, lower alkoxycarbonyl, lower alkoxy (lower) alkoxy, aryl, furyl, pyridyl, phthalimido, or succinimido;… N-methyl (lower) alkanoylamino;… N-containing, 5- or 6-membered heterocyclic group optionally substituted by oxo, lower alkyl and/or lower alkoxycalbonyl;… lower alkoxy substituted by hydroxy and lower alkylamino; or… a group of the formula …… in which R<3> is hydrogen; lower alkyl or ar (lower) alkyl;… R<4> is pyridyl; aryl; styryl;… alkynyl; lower alkoxycarbonyl;… alpha -hydroxybenzyl; lower alkanoyl; carboxy; or lower alkyl substituted by halogen, amino, hydroxy, carboxy, lower alkanoyl, lower alkanoyloxy, lower alkoxycarbonyl, morpholino, lower alkoxycarbonylamino, 1-methyl-2-oxo-1, 2, 3, 4-tetrahydroquinolyloxy, mono- or di(lower)alkylamino, piperazinyl being substituted with hydroxy(lower)alkyl or furoyl, or pyrrolidino;… and pharmaceutically acceptable salt thereof, which are useful in the treatment of hypertension, thrombosis and ulcer in human beings and animals.