ChemInform Abstract: Asymmetric Synthesis of Trifluoromethyl Substituted Dihydropyrans via Organocatalytic Cascade Michael—Hemiketalization Reaction.

Jinjia Wang,Zhipeng Hu,Chunliang Lou,Junliang Liu,Xueming Li,Ming Yan

Cheminform（2011）

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摘要

A quinine‐derived thiourea is the best catalyst for the conjugate addition of trifluoromethyl substituted nucleophiles to β,γ‐unsaturated α‐keto esters.

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关键词

trifluoromethyl substituted dihydropyrans,asymmetric synthesis,michael-hemiketalization

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