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New delta-receptor antagonists
C W Thornber1, J S Shaw, L Miller
1Department of Chemistry, ICI Pharmaceuticals Division, Alderley Park, Cheshire, UK.
Abstract:
A new delta-selective opiate antagonist has been synthesised in which the two glycine residues of diallyl leucine enkephalin have been replaced by 4-aminobenzoic acid. The compound has a different conformation to that of ICI 174,864 (N,N-diallyl-Tyr-Aib-Aib-Phe-Leu).