期刊
TETRAHEDRON LETTERS
卷 41, 期 49, 页码 9645-9649出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(00)01737-8
关键词
amino acids; asymmetric synthesis; Michael additions; nickel(II) complex; oxazolidin-2-ones
The origin of virtually complete face diastereoselectivity in the organic base-catalyzed, room temperature Michael addition reactions between Ni(II)-complexes of Schiff bases of glycine and chiral 3-(E-enoyl)-4-substituted-1,3-oxazolidin-2-ones was shown to stem from the unusual mode of steric interactions in determining the corresponding transition state. (C) 2000 Elsevier Science Ltd. All. rights reserved.
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