Stereoselective Copper-Catalyzed Direct Aldol Reaction Of Beta, Gamma-Unsaturated Alpha-Ketoesters With Coumaran-3-Ones

Kuiliang Li,Xiang Sun,Linge Li,Zhenggen Zha,Feng-Lian Zhang,Zhiyong Wang

CHEMISTRY-A EUROPEAN JOURNAL（2021）

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摘要

An efficient direct aldol reaction between coumaran-3-ones and beta, gamma-unsaturated alpha-ketoesters by virtue of a chiral copper complex is developed. A series of coumaran-3-one derivatives containing chiral tertiary alcohol structures are obtained in excellent yields and stereoselectivities.

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关键词

asymmetric catalysis, coumaran-3-one, direct aldol reaction, Lewis acids, beta, gamma-unsaturated alpha-ketoesters

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