期刊
TETRAHEDRON-ASYMMETRY
卷 17, 期 14, 页码 2101-2107出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2006.07.040
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A new sulfonamide ligand based on L-tartaric acid was synthesized and was employed as a chiral ligand in the enantioselective addition of diethylzinc to aldehydes, giving rise to the best enantiomeric excess up to 83% with 5 mol % of catalyst loading. Moreover, the addition of diethylzinc to ketones can also be achieved with good to excellent enantioselectivities by employing 7 mol % of the catalyst under mild conditions. (c) 2006 Elsevier Ltd. All rights reserved.
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