期刊
TETRAHEDRON LETTERS
卷 48, 期 7, 页码 1135-1138出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.12.069
关键词
direct reductive amination; NaBH4; heteropolyacid; H3PW12O40; imine; iminium ion; alpha,beta-unsaturated aldehydes and ketones; allyi alcohols; chemoselectivity
A simple and convenient procedure for direct reductive amination of aldehydes and ketones with sodium borohydride is described. The reaction has been carried out in methanol in the presence of a catalytic amount of H3PW12O40 (0.5 mol %). alpha,beta-unsaturated aldehydes and ketones can be easily converted into the corresponding allyl alcohols by reaction with H3PW12O40 (0.5 mol %)/NaBH4. (c) 2006 Elsevier Ltd. All rights reserved.
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