期刊
TETRAHEDRON
卷 60, 期 41, 页码 9263-9272出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2004.07.048
关键词
thiazolines; oxazolines; chiral ligands; asymmetric catalysis; allylic substitution
A series of thiazoline ligands, analogues of well-known oxazolines, easily prepared from chiral aminoalcohols, and appropriate dithioesters, was tested in the Pd-catalysed allylic substitution. A systematic comparison with the corresponding oxazolines (using literature data or our own tests) has been made for each case. Some important differences (between their catalytic activity and enantioselectivity) were noted for the two types of ligands, especially in the case of bis(thiazolines) and bis(oxazolines). (C) 2004 Elsevier Ltd. All rights reserved.
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