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標題: An efficient synthesis of chiral homophenylalanine derivatives via enantioselective hydrogenation
作者: Li, X.S.
Yeung, C.H.
Chan, A.S.C.
Lee, D.S.
Yang, T.K.
關鍵字: alpha-amino-acids;kinetic resolution;dipeptides;ligands;agonist;esters
Project: Tetrahedron-Asymmetry
期刊/報告no:: Tetrahedron-Asymmetry, Volume 10, Issue 20, Page(s) 3863-3867.
Chiral homophenylalanine derivatives were synthesized via enantioselective hydrogenation of 5a and 5b catalyzed by rhodium complexes bearing chiral phosphine and phosphinite legands. Enantiomeric excesses up to 96.2% were achieved when S-spiroOP(S-1) was used as a chiral ligand under 500 psi of H-2 pressure in acetone. (C) 1999 Elsevier Science Ltd. All rights reserved.
ISSN: 0957-4166
DOI: 10.1016/s0957-4166(99)00424-3
Appears in Collections:化學系所

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