| abstract |
A renin inhibiting compound of the formula: <CHEM> wherein R1 is 4-piperazinyl, 1-methyl-4-piperazinyl, 1-methyl-1-oxo-4-piperazinyl, 2-oxo-4-piperazinyl, 4-morpholinyl, 4-thiomorpholinyl or 1-methyl-4-homopiperazinyl; R2 is benzyl, 2-phenylethyl, 1-naphthylmethyl or 2-naphthylmethyl; R3 is 4-thiazolyl, 2-amino-4-thiazolyl, 2-thiazolyl, 5-thiazolyl, 1-pyrazolyl, 3-pyrazolyl, 1-imidazolyl, n-propyl, isopropyl, CH3S- or CH3SCH2-; R4 is isobutyl or cyclopropyl; R5 is hydrogen or loweralkyl; and X is CH2 or NH; or a pharmaceutically acceptable salt, ester or prodrug thereof; with the proviso that when X is NH and R3 is 2-amino-4-thiazolyl, then R4 is cyclopropyl. |