A new ring expansion approach to 3-formyl-2-cyclohepten-1-ones

Add time:09/24/2019    Source:sciencedirect.com

Reaction off non-enolizable 2-n-butylthiomethylene cyclohexanones with methoxy (phenylthio)methyllithium, followed by hydrolysis off the diastereomeric mixture off resulting alcohols, provides a new and efficient ring enlargement reaction for the synthesis of the previously unreported 3-formyl-2-cyclohepten-1-ones.

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