期刊
TETRAHEDRON LETTERS
卷 50, 期 9, 页码 1016-1019出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.12.058
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-
资金
- University of Washington
A series of chiral guanidines were synthesized and shown to efficiently catalyze the aza-Henry reaction. Modifications of the catalyst Structure revealed important selectivity trends as well as an intriguing reversal in stereoselectivity with bisguanidine variants. These compounds were applied to the aza-Henry reaction between N-Boc imines and nitroalkanes generating the beta-nitroamines in up to 77% ee and up to 20:1 diastereoselectivity. (C) 2009 Elsevier Ltd. All rights reserved.
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