申请人:Pierre Fabre Medicament
公开号:US05025015A1
公开(公告)日:1991-06-18
Formamidine compounds of general formula I ##STR1## in which: R.sub.1 represents H or C.sub.1-4 alkyl, R.sub.2 represents benzoyl, benzyl, or alphahydroxybenzyl, the aromatic ring being optionally substituted by a halogen atom, R.sub.3 and R.sub.4, which are identical or different, represent hydrogen, lower-alkyl, or lower-alkenyl, or form between them with the formamidine function a heterocycle, R.sub.5 represents hydrogen or C.sub.1-4 lower-alkyl or forms with R.sub.4 a double bond (--N.dbd.R.sub.4) in the case of pseudoaromatic heterocycles, n equals 0 or 1, A represents a linear or branched C.sub.1-4 alkylene chain, X represents hydrogen, halogen, C.sub.1-4 lower-alkyl, C.sub.1-4 lower-alkoxy, or nitro, and pharmaceutically-acceptable salts thereof, are disclosed. The compounds and pharmaceutical compositions thereof are used, optionally in combination with other active principles, as drugs for the treatment of gastrointestinal ailments, especially as gastric antisecretory and antiulcer agents.
一般式I的甲酰胺化合物如下:##STR1## 其中:R.sub.1代表H或C.sub.1-4烷基,R.sub.2代表苯甲酰基、苄基或α-羟基苄基,芳香环可选地被卤素原子取代,R.sub.3和R.sub.4相同或不同,代表氢、低烷基或低烯基,或者与甲酰胺基团形成杂环,R.sub.5代表氢或C.sub.1-4低烷基,或者在伪芳香杂环的情况下与R.sub.4形成双键(--N.dbd.R.sub.4),n等于0或1,A代表线性或支链C.sub.1-4烷基链,X代表氢、卤素、C.sub.1-4低烷基、C.sub.1-4低烷氧基或硝基,以及其药学上可接受的盐。这些化合物及其制剂可用于治疗胃肠疾病,特别是作为胃抗分泌和抗溃疡剂,可选地与其他活性成分联合使用。