Method for preparing binaphthol aldehyde derivatives and intermediate thereof

摘要

The present invention is to obtain a compound of formula 2 by reduction to a compound of formula (3) and the step it comprises the step of oxidizing the compound of formula (2) obtained in a method of producing an aldehyde by naphthol derivatives, including the production method and the method of the compound of Formula 1. ; [ Scheme 1 ]