期刊
TETRAHEDRON LETTERS
卷 51, 期 43, 页码 5649-5652出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.06.066
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资金
- Nanyang Technological University
- Ministry of Education [T207B1220RS]
A highly efficient enantioselective carbonyl-ene reaction of ethyl glyoxylate catalyzed by an In(III)-pybox complex, which is designed based on the counterion effect, is reported. Reactions of both aliphatic and aromatic 1,1-disubstituted olefins proceed smoothly to give enantioenriched homoallylic alcohols with excellent yields and enantioselectivities. In addition, electron-withdrawing as well as donating groups on the phenyl ring of alpha-methyl styrenes are tolerated in this reaction. (C) 2010 Elsevier Ltd. All rights reserved.
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