Preparation of chiral cyclic amino acids and derivatives
申请人:The Penn State Research Foundation
公开号:US20040242889A1
公开(公告)日:2004-12-02
Cyclic &bgr;-(acylamino)acrylate derivatives were hydrogenated using Ru-chiral phosphine ligand catalysts and thereafter converted to the corresponding cyclic &bgr;-aminoacids in high yield and enantioselectivity according to the reaction scheme:
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The synthesis of the four diastereomeric 2-aminocyclopentanecarboxylic acids, their use as replacements for proline in potential HIV protease inhibitors containing a hydroxyethylamine dipeptide isostere and the evaluation of the biological activity of these is described. (C) 1997 Elsevier Science Ltd.