N. Delafiguera et al., -HEXAHYDROINDOLIZINO[8,7-B]INDOLE-5(S)-CARBOXYLATE AS A NEW-TYPE OF BETA-TURN DIPEPTIDE MIMETIC, Journal of the Chemical Society, Chemical Communications, (5), 1994, pp. 613-614
Molecular-modelling studies have shown that 2(S)-amino-3-oxo-11 hexahy
droindolizino[8,7-b]indole-5(S)-carboxylate, stereoselectively prepare
d by Pictet-Spengler reaction between H-Trp-OMe and Z-Asp(H)-OBz and s
ubsequent gamma-lactamization, behaves as a type-ll' beta-turn inducin
g mimetic.