| abstract |
Mammalian collagenase is inhibited by compounds having the formula ##STR1## wherein R 1 is hydrogen, alkanoyl of 2 to 10 carbon atoms or arylcarbonyl; n R 2 is 1-pyrrolidinyl, 1-piperidinyl, 4-morpholinyl, 1-piperazinyl, or 4-alkyl-1-piperazinyl; n R 3 is alkyl of 3 to 8 carbon atoms, cycloalkyl, aryl, or arylalkyl; and n n is an integer of 1 to 20. |