期刊
TETRAHEDRON
卷 67, 期 30, 页码 5389-5394出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2011.05.088
关键词
Oxa-Michael addition; Decarboxylation; Enantioselectivity; Bifunctional cinchona alkaloids; Flavanones
资金
- National Basic Research Program of China (973 Program) [2010CB833200]
- National Natural Science Foundation of China [20172064, 203900502, 21032006]
- Shanghai Natural Science Council
- Excellent Young Scholars Foundation of National Natural Science Foundation of China [20525208]
Bifunctional cinchona alkaloids were used to catalyze a tandem intramolecular oxa-Michael addition/decarboxylation reaction of alkylidene beta-ketoesters 1, providing a series of flavanone derivatives with up to 97% yield and 93% ee. (C) 2011 Elsevier Ltd. All rights reserved.
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