期刊
TETRAHEDRON LETTERS
卷 52, 期 17, 页码 2148-2151出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.11.077
关键词
Morita-Baylis-Hillman reaction; Rauhut-Currier reaction; Lewis base catalysis; Organocatalysis; Thiols
资金
- National Science Foundation [CHE-0848224]
- German Academic Exchange Service (DAAD)
ortho-Mercaptobenzoic acid and ortho-mercaptophenols were discovered as efficient thiol catalysts of both the intramolecular Morita-Baylis-Hillman (MBH) and Rauhut-Currier (RC) reaction. High reaction rates were achieved under mildly basic, aqueous conditions. The unprecedented catalytic activity of these protic nucleophiles could originate from a Bronsted acid induced destabilization of intermediate thioethers and thus represent a unique mechanism of multifunctional Lewis base catalysis. (C) 2010 Elsevier Ltd. All rights reserved.
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