申请人:E. R. Squibb & Sons, Inc.
公开号:US04670541A1
公开(公告)日:1987-06-02
An enkephalin-degrading aminopeptidase enzyme is inhibited by compounds having the formula ##STR1## and pharmaceutically acceptable salt thereof, wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl, carboxyalkyl, halo substituted alkyl, hydroxyalkyl, aminoalkyl, mercaptoalkyl, alkylthioalkyl, (cycloalkyl)alkyl, (heteroaryl)alkyl, arylalkyl, carbamoylalkyl, guanidinylalkyl, or heteroaryl; R.sub.3 is hydroxy, alkoxy, (substituted alkyl)oxy, arylalkoxy, (heteroaryl)alkoxy or --NY.sub.1 Y.sub.2, wherein Y.sub.1 and Y.sub.2 are each independently hydrogen, alkyl, aryl, or arylalkyl or Y.sub.1 is hydrogen and Y.sub.2 is substituted alkyl or (heteroaryl)alkyl; A.sub.1 is glycyl, alanyl, leucyl, phenylalanyl, arginyl, sarcosyl, seryl, asparagyl, lysyl, glutamyl, histidyl, tryptophyl, cysteinyl, methionyl, threonyl, tyrosyl, leucyl, valyl, aspartyl, prolyl, norleucyl, norvalyl, or ##STR2## wherein n.sub.6 is an integer of 2 to 15; A.sub.2, A.sub.3, A.sub.4 and A.sub.5 each is independently glycyl, alanyl, leucyl, phenylalanyl, arginyl, sarcosyl, seryl, asparagyl, lysyl, glutamyl, histidyl, tryptophyl, cysteinyl, methionyl, threonyl, tyrosyl, leucyl, valyl, aspartyl, or prolyl, norleucyl, or norvalyl; and n.sub.1, n.sub.2, n.sub.3, n.sub.4 and n.sub.5 each is independently 0 or 1.
一种降解脑啡肽的氨肽酶酶被具有公式##STR1##和其药学上可接受的盐所抑制,其中R.sub.1和R.sub.2各自独立地为氢,烷基,羧基烷基,卤代烷基,羟基烷基,氨基烷基,巯基烷基,烷基硫烷基,(环烷基)烷基,(杂环基)烷基,芳基烷基,氨基甲酰基烷基,胍基烷基,或杂环芳基;R.sub.3为羟基,烷氧基,(取代烷基)氧基,芳基烷氧基,(杂环基)烷氧基或--NY.sub.1Y.sub.2,其中Y.sub.1和Y.sub.2各自独立地为氢,烷基,芳基或芳基烷基,或Y.sub.1为氢,Y.sub.2为取代烷基或(杂环基)烷基;A.sub.1为甘氨酰基,丙氨酰基,亮氨酰基,苯基丙氨酰基,精氨酰基,肌氨酰基,丝氨酰基,天冬氨酰基,赖氨酰基,谷氨酰基,组氨酰基,色氨酰基,半胱氨酰基,甲硫氨酰基,苏氨酰基,酪氨酰基,亮氨酰基,缬氨酰基,天冬酰基,脯氨酰基,诺亚亮氨酰基,或##STR2##其中n.sub.6为2到15的整数;A.sub.2、A.sub.3、A.sub.4和A.sub.5各自独立地为甘氨酰基,丙氨酰基,亮氨酰基,苯基丙氨酰基,精氨酰基,肌氨酰基,丝氨酰基,天冬氨酰基,赖氨酰基,谷氨酰基,组氨酰基,色氨酰基,半胱氨酰基,甲硫氨酰基,苏氨酰基,酪氨酰基,亮氨酰基,缬氨酰基,天冬酰基,脯氨酰基,诺亚亮氨酰基,或诺瓦林酰基;n.sub.1,n.sub.2,n.sub.3,n.sub.4和n.sub.5各自独立地为0或1。