申请人:Rotta Research Laboratorium SpA
公开号:US05130474A1
公开(公告)日:1992-07-14
There are described optically active derivatives (R) 5-pentylamino-5-oxopentanoic acid and their pharmaceutically acceptable salts, having antagonistic activity towards cholecystokinin, and with the formula: ##STR1## in which R.sub.1 is selected from the groups 2-naphthyl, 3,4-dichlorobenzoyl and 3,4-dimethylbenzoyl and R.sub.2 is a pentyl group or an alkoxyalkyl group with 4 carbon atoms, and in which the substituents on the central chiral group (marked with an asterisk in Formula (I)), have the R (rectus) conformation.
描述了光学活性衍生物(R)5-戊基氨基-5-氧代戊酸及其药学上可接受的盐,具有对胆囊收缩素的拮抗活性,其化学式为:##STR1## 其中R.sub.1来自2-萘基,3,4-二氯苯甲酰基和3,4-二甲基苯甲酰基等基团,R.sub.2是戊基或具有4个碳原子的烷氧基烷基,且中央手性基团(在式(I)中用星号标记)的取代基具有R(直)构象。