申请人:Ciba-Geigy Corporation
公开号:US05096925A1
公开(公告)日:1992-03-17
Disclosed are compounds of the formula ##STR1## wherein X and Y independently represent hydroxymethyl; cyano; carboxy; functionally modified carboxy selected from esterified carboxy, carbamoyl, and N-substituted carbamoyl; 5-tetrazolyl; 2-oxazolyl, 4,5-dihydro-2-oxazolyl, 2-imidazoly or 4,5-dihydro-2-imidazolyl or any said grouping substituted by lower alkyl; R and R.sub.o independently represent hydrogen, lower alkyl, (C.sub.3 -C.sub.7)-cycloalkyl-lower alkyl, or aryl-lower alkyl in which aryl represents phenyl, pyridyl, thienyl, furyl, biphenyl or naphthyl, each unsubstituted or mono- or di-substituted by halogen, lower alkyl, hydroxy, acyloxy, lower alkoxy, trifluoromethyl or cyano; A represents straight chain (C.sub.2 -C.sub.5)-alkylene; or A represents straight chain (C.sub.2 -C.sub.5)-alkylene substituted by lower alkyl, by lower alkylthio-lower alkyl, by hydroxy-lower alkyl, by acyloxy-lower alkyl, by lower alkoxy-lower alkyl, by amino or acyl-amino, by amino-lower alkyl, by acylamino-lower alkyl, by (C.sub.3 -C.sub.7)-cycloalkyl, by (C.sub.3 -C.sub.7)-cycloalkyl-lower alkyl, by aryl or aryl-lower alkyl in which aryl represents phenyl or phenyl mono- or disubstituted by halogen, lower alkyl, lower alkoxy, hydroxy, acyloxy, trifluoromethyl or cyano; or A represents phenylene or cyclohexylene; pharmaceutically acceptable prodrug derivatives of any said compounds having a free carboxy group; pharmaceutically acceptable salts of any said compounds with a salt-forming group; methods for synthesis; pharmaceutical compositions thereof; and use thereof as enkephalinase inhibitors.
本发明涉及一种化合物,其化学式为##STR1##其中,X和Y分别表示羟甲基,氰基,羧基,功能修饰的羧基,所述功能修饰的羧基选自酯化羧基,氨基甲酰基和N-取代氨基甲酰基;5-四唑基;2-噁唑基,4,5-二氢噁唑基,2-咪唑基或4,5-二氢咪唑基或任何被较低烷基取代的上述基团;R和R.sub.o分别表示氢,较低烷基,(C.sub.3-C.sub.7)-环烷基-较低烷基或苯基-较低烷基,其中苯基表示苯基,吡啶基,噻吩基,呋喃基,联苯基或萘基,每个未取代或单取代或双取代的取代基为卤素,较低烷基,羟基,酰氧基,较低烷氧基,三氟甲基或氰基;A表示直链(C.sub.2-C.sub.5)-烷基;或A表示被较低烷基,被较低烷硫基-较低烷基,羟基-较低烷基,酰氧基-较低烷基,较低烷氧-较低烷基,氨基或酰基氨基,氨基-较低烷基,酰胺基-较低烷基,(C.sub.3-C.sub.7)-环烷基,(C.sub.3-C.sub.7)-环烷基-较低烷基,苯基或苯基-较低烷基取代的直链(C.sub.2-C.sub.5)-烷基取代的直链(C.sub.2-C.sub.5)-烷基;或A表示苯亚甲基或环己亚甲基;具有自由羧基的任何上述化合物的药学可接受的前药衍生物;任何上述化合物与盐形成基的药学可接受的盐;其合成方法;其制备的药物组合物;以及其作为脑啡肽酶抑制剂的用途。