Azido, imido, amido and amino derivatives of mercaptoacyl prolines and pipecolic acids having hypotensive activity.

摘要

Azido, imido, amido and amino derivatives of mercaptoacyl prolines and pipecolic acids having the formula wherein -NR1-R2 is azido or R1 and R2 are the same or different and are hydrogen, alkyl, cycloalkyl, 1-adamantyl, aryl, arylalkyl, alkylcarbonyl, arylcarbonyl, arylalkylcarbonyl, alkylsulfonyl, arylsulfonyl, or arylvinylcarbonyl, or together with the nitrogen atom to which they are attached R1 and R2 are 1-pyrrolidinyl, 1-piperidinyl, 1-homopiperidinyl, 4-morpholinyl, 4-alkyl-1-piperazinyl, 4-aryl-1-piperazinyl, 1-imidazolyl, 1-pyrrolidinyl-2,5-dione, 3-alkyl-1-pyrrolidinyl-2,5-dione, 3-aryl-1-pyrrolidinyl-2,5-dione, 1-piperidinyl-2,6-dione,3-alkyl-1- piperidinyl-2,6-dione, 3-aryl-1-piperidinyl,2-6-dione, 2H-isoindol-2-yl-1,3-dione, hexahydro-2H-isoindol-2-yl-1,3-dione, 2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl, 1,1,3-trioxo-1,2-benzisothiazol-2(3H)-yl, or 1,3-dihydro-1,3-dioxo-2H-benz[de]isoquinolin-2-yl; R3 is hydrogen, alkyl, aryl, arylalkyl, or a hydrolyzable acyl protecting group; R4 is hydrogen, alkyl, alkylthio, or trifluoromethyl; R5 is hydrogen, alkyl, or arylalkyl; n is 0, 1 or 2; and p is 1 or 2; or a salt thereof, or symmetrical dimer thereof are useful for the treatment of hypertension.