The method for manufacturing the alkyl aldehyde intermediate field or the aryl aldehyde intermediate field of being improved

摘要

(57) Abstract Grignard protective aldehyde and method for manufacturing the halogenation alkyl or alkyl aldehyde or the aryl aldehyde which uses with the halogenation benzyl is offered. It reacts Grignard protective aldehyde with the above-mentioned halide under existing of the copper catalyst, deviation from it protects the product of this reaction selectively with hydrolysis.