期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 352, 期 7, 页码 1097-1101出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000106
关键词
benzofuran-2(3H)-ones; chiral thioureas; Michael addition; organocatalysis; quaternary-tertiary stereocenters
资金
- Natural Science Foundation [NSFC 20632060, NSFC 20902091]
- MOST [2008CB617501, 2009ZX09501-018]
- Chinese Academy of Sciences
- China Postdoctoral Science Foundation
A highly enantioselective Michael addition of 3-substituted benzofuran-2(3H)-ones to chalcones catalyzed by a chiral bifunctional thiourea was developed. Several chiral 3,3'-substituted benzofuran-2(3H)-ones derivatives, bearing adjacent quaternary-tertiary stereocenters, were efficiently synthesized with excellent enantioselectivities.
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