申请人:Akzona Incorporated
公开号:US03972932A1
公开(公告)日:1976-08-03
The invention relates to compounds of the general formula: ##EQU1## in which one double bond is present between the carbon atom of the guanidine moiety and one of the adjacent nitrogen atoms and R.sub.0 stands for hydrogen, halogen, hydroxy, alkoxy or alkyl (1 to 6 C), R.sub.1, r.sub.2 for halogen, hydroxy, alkyl (1 to 4 C) or alkoxy (1 to 4 C), R.sub.3, r.sub.3 ', r.sub.3 " for hydrogen or alkyl (1 to 4 C) on the understanding that one of the substituents R.sub.3, R.sub.3 ' or R.sub.3 " is absent because of the presence of the double bond, R.sub.4 for hydrogen, alkyl (1-4 C), hydroxy, alkoxy (1-4 C) or amino optionally substituted with one or two alkyl (1 to 4 C) groups, R.sub.5, r.sub.6 for hydrogen, alkyl (1-6 C), acyl or R.sub.5 + R.sub.6 together represent an alkylidene, cyclic alklidene or aralkylidene group, As well as the acid addition salts thereof, provided that, if R.sub.4 stands for methyl and R.sub.0, R.sub.3, R.sub.3 ", R.sub.5 and R.sub.6 for hydrogen, R.sub.1 and R.sub.2 may not represent methyl simultaneously, having a strong and long-acting anti-hypertensive activity.
本发明涉及一般式为:##EQU1##的化合物,其中在
胍基碳原子和相邻氮原子之间存在一条双键,R.sub.0代表氢、卤素、羟基、烷氧基或烷基(1到6个碳),R.sub.1、r.sub.2代表卤素、羟基、烷基(1到4个碳)或烷氧基(1到4个碳),R.sub.3、r.sub.3'、r.sub.3"代表氢或烷基(1到4个碳),其中由于存在双键,R.sub.3、R.sub.3'或R.sub.3"中的一个取代基不存在,R.sub.4代表氢、烷基(1-4个碳)、羟基、烷氧基(1-4个碳)或
氨基,可选择用一或两个烷基(1到4个碳)取代,R.sub.5、r.sub.6代表氢、烷基(1-6个碳)、酰基或R.sub.5 + R.sub.6共同代表烷基亚甲基、环烷基亚甲基或芳基亚甲基基团。以及它们的酸加成盐,前提是如果R.sub.4代表甲基且R.sub.0、R.sub.3、R.sub.3"、R.sub.5和R.sub.6代表氢,R.sub.1和R.sub.2不能同时代表甲基。该化合物具有强大和长效的降压活性。