Asymmetric Synthesis Of (-)-Dictyopterene C ' And Its Derivatives Via Catalytic Enantioselective Cyclopropanation
BULLETIN OF THE KOREAN CHEMICAL SOCIETY(2021)
摘要
An efficient and simple method for enantioselective synthesis of (-)-dictyopterene C' and its derivatives was developed on the basis of chiral oxazaborolidinium ion-catalyzed enantioselective cyclopropanation and divinylcyclopropane-cycloheptadiene rearrangement. Utilizing the Julia-Kocienski reaction and Sonogashira and Suzuki coupling reactions, various 1,4-cycloheptadiene compounds were synthesized with good results.
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关键词
cis-Cyclopropane, Enantioselectivity, Lewis acid catalyst, Rearrangement, 1,4-Cycloheptadiene
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