Patent ID: 6255453
Filing Date: 2001-07-03
Classification: A61K,A61P,C07D,C07K

Abstract:
A compound of formula I ##STR3##wherein R.sub.1 is selected from tert-butyl and .alpha.,.alpha.-dimethyl-3,4-methylenedioxybenzyl; wherein the compound is selected from the group consisting of:(i) methyloxycarbonyl-L-valyl-N-[1-(2-[5-.alpha.,.alpha.-dimethyl-3,4-methylen edioxybenzyl]-1,3,4-oxadiazolyl)carbonyl-2-(S)-methylpropyl]-L-prolinamide; and(ii) methyloxycarbonyl-L-valyl-N-[1-(2-[5-tert-butyl]-1,3,4-oxadiazolyl)carbony l-2-(S)-methylpropyl]-L-prolinamide.