3-ALKOXYCARBONYL-1,3,4-THIADIAZIN-2-ON DERIVATIVES, PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME

摘要

3-Alkoxycarbonyl-5-heterocyclyl-1,3,4-thiadiazin-2-ones of formula (I) and their salts are new: R<1>-R<3> = H or A; A = 1-6C alkyl; R<4> = 1-15C acyl; R<5> = NH2, NHA, NA2 or satd. 3-8 membered heterocycle contg. 1 or more N atoms (opt. substd. by A) and opt. also contg. NH, NA, O or S in place of 1 CH2 gp.; Q = 1-10C alkylene or a bond; n = 1-3.