期刊
TETRAHEDRON LETTERS
卷 50, 期 26, 页码 3253-3257出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.02.018
关键词
-
资金
- National Institutes of Health [GM 25439, GM31077]
- Pfizer, Inc.
- Merck Research Laboratories
- Robert A. Welch Foundation
A variety of heterocyclic alcohols and acetates were Coupled with silyl ketene acetals and other pi-nucleophiles in the presence of trimethylsilyl trifluoromethanesulfonate to provide an array Of Substituted beta-heteroaryl propionates, including those with contiguous quaternary centers, as well as vinylogs thereof. This reaction also proceeds with high diastereoselectivity when the pi-nucleophile bears a chiral auxiliary. (C) 2009 Elsevier Ltd. All rights reserved.
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