A. Pohlmann et al., SYNTHESIS AND CONFORMATIONAL-ANALYSIS OF 2 2-OXOPIPERAZINE-CONTAININGTETRAPEPTIDE ANALOGS, The journal of peptide research, 51(2), 1998, pp. 116-120
One unsubstituted and one stereoselectively prepared 3-(S)-substituted
-2-oxopiperazine have been used as dipeptide templates to generate tet
rapeptide analogues. NMR analysis shows that these tetrapeptide analog
ues present an inverse gamma-turn conformation in chloroform. (C) Munk
sgaard 1998.