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Enantioselective Synthesis of 3‐Substituted Cyclobutenes by Catalytic Conjugate Addition/Trapping Strategies
发布时间:2020-03-13  阅读次数:2

A copper‐catalyzed tandem process to generate chiral cyclobutene derivatives has been developed. It is based on an enantioselective conjugate addition or reduction of a cyclobutenone and sequential trapping with a chlorophosphate in a one‐pot process. These phosphates are stable under mildly acidic conditions and serve as good electrophiles in Negishi coupling reactions.

https://onlinelibrary.wiley.com/doi/full/10.1002/anie.201913825

 

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