申请人:American Home Products Corporation
公开号:US04350633A1
公开(公告)日:1982-09-21
Disclosed herein are 2,3-dihydro-1H-indole-2-carboxylic acids substituted on the nitrogen with 3-mercapto-2-alkyl-1-oxoalkyl, 3-phosphoryl-2-alkyl-1-oxopropyl, or 2-amino-2-alkyl-1-oxoalkyl derivatives which act as inhibitors of angiotensin converting enzyme and as antihypertensive agents. The compounds of the invention (excluding disclosed intermediates) have the general formula: ##STR1## wherein: n is 1 or 0; R.sub.1 is hydrogen, lower alkyl, aryl or aralkyl; R.sub.2 is hydrogen or lower alkyl; R.sub.3 is hydrogen, lower alkyl or aroyl; R.sub.5 is hydroxy, amino, or lower alkoxy; X is hydrogen, hydroxy, lower alkyl, lower alkoxy, or halogen; Y is hydrogen, lower alkyl, or aryl; Y is hydrogen, lower alkyl, or aryl; R.sub.4 is ##STR2## wherein: L is O, NR.sub.7 or S (where R.sub.7 is hydrogen or lower alkyl); M is R.sub.8, OR.sub.8, SR.sub.8, or NR.sub.9 R.sub.10 (where R.sub.8 is hydrogen, lower alkyl, aryl, or aralkyl; and R.sub.9 and R.sub.10 are, independently, hydrogen, lower alkyl, or aryl); A is O, NR.sub.13 or S; R.sub.11 and R.sub.12 are, independently, hydrogen, alkyl, aralkyl or aryl; R.sub.13 is hydrogen or lower alkyl; m is 0, 1, 2, or 3; R.sub.20 is hydrogen or aryl; and R.sub.21 is hydroxy or lower alkoxy; or pharmaceutically acceptable salts thereof.
本文披露了在氮上用3-巯基-2-烷基-1-氧代烷基、3-磷酰基-2-烷基-1-氧代丙基或2-氨基-2-烷基-1-氧代烷基衍生物取代的2,3-二氢-1H-吲哚-2-羧酸,其作为抑制肾素转化酶和降压剂。发明的化合物(不包括披露的中间体)具有以下通用式:其中:n为1或0;R1为氢、低烷基、芳基或芳基烷基;R2为氢或低烷基;R3为氢、低烷基或芳酰基;R5为羟基、氨基或低烷氧基;X为氢、羟基、低烷基、低烷氧基或卤素;Y为氢、低烷基或芳基;R4为其中:L为O、NR7或S(其中R7为氢或低烷基);M为R8、OR8、SR8或NR9R10(其中R8为氢、低烷基、芳基或芳基烷基;R9和R10分别为氢、低烷基或芳基);A为O、NR13或S;R11和R12分别为氢、烷基、芳基烷基或芳基;R13为氢或低烷基;m为0、1、2或3;R20为氢或芳基;R21为羟基或低烷氧基;或其药用盐。