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- W2000481874 endingPage "5106" @default.
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- W2000481874 abstract "The sequential treatment of optically active terminal propargylic alcohols with n-BuLi/(HCHO)(n) and regioselective chlorination afforded the corresponding optically active 4-chloro-2-butyn-1-ols. With R(1) being a methyl or an ethyl group, an alternative for the synthesis of the corresponding optically active propargylic alcohols is the Novozym 435-catalyzed kinetic resolution of these racemic 4-chloro-2-butyn-1-ols. The subsequent reaction of these optically active 4-chloro-2-butyn-1-ols with the corresponding Grignard reagents under the catalysis of 5 mol % of CuCN afforded the optically active secondary 2,3-allenols in good yields with up to >99% ee." @default.
- W2000481874 created "2016-06-24" @default.
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- W2000481874 date "2009-05-28" @default.
- W2000481874 modified "2023-10-16" @default.
- W2000481874 title "An Efficient CuCN-Catalyzed Synthesis of Optically Active 2,3-Allenols from Optically Active 1-Substituted 4-Chloro-2-butyn-1-ols" @default.
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- W2000481874 doi "https://doi.org/10.1021/jo900710e" @default.
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