申请人:Beecham Group Limited
公开号:US03960880A1
公开(公告)日:1976-06-01
Compounds of the formula: ##SPC1## And their pharmaceutically acceptable non-toxic salts, wherein R.sub.1 is alkyl of 5 to 8 carbon atoms which is straight chained or .alpha.-substituted by a methyl group or .alpha.,.alpha.-disubstituted by methyl groups and R.sub.5 is hydrogen, R.sub.6 or CO.R.sub.6 wherein R.sub.6 is alkyl of 1 to 4 carbon atoms or alkyl of 1 to 4 carbon atoms substituted by NR.sub.7 R.sub.8 wherein R.sub.7 and R.sub.8 are each hydrogen or alkyl of 1 to 4 carbon atoms or NR.sub.7 R.sub.8 is pyrrolidino, piperidino or morpholino, have been found to possess good antihypertensive activity while being of low-toxicity and substantially free of sedative side effects.
式为:##SPC1## 的化合物及其药学上可接受的无毒盐,其中 R.sub.1 是直链或α-取代甲基或α,α-二取代甲基的5至8个碳原子的烷基,R.sub.5 是氢、R.sub.6 或 CO.R.sub.6,其中 R.sub.6 是1至4个碳原子的烷基或1至4个碳原子的烷基被NR.sub.7 R.sub.8取代,其中 R.sub.7 和 R.sub.8 各自是氢或1至4个碳原子的烷基,或NR.sub.7 R.sub.8 是吡咯烷基、哌啶基或吗啉基,已被发现具有良好的降压活性,同时具有低毒性和基本无催眠副作用。