期刊
TETRAHEDRON LETTERS
卷 51, 期 29, 页码 3827-3829出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.05.077
关键词
-
资金
- Ministry of Science and Technology [2009ZX09501-00]
- Chinese Academy of Sciences
- National Natural Science Foundation of China [20632050, 20921091]
The diarylprolinol ether-catalyzed Michael addition and subsequent cyclization of ethyl 3-methyl-2-oxobut-3-enoate with aldehydes, and gamma-substituted beta,gamma-unsaturated-alpha-ketoesters with acetaldehyde, afforded the corresponding lactals, which were subjected to oxidation and stereocontrolled hydrogenation to provide 3,5,6-trisubstituted and 4,6-disubstituted tetrahydropyran-2-ones with excellent enantioselectivities. (C) 2010 Elsevier Ltd. All rights reserved.
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