Abstract

SbCl 3-Fe or SbCl 3-Al could induce allylatlon of aldehydes with allylic halides at room temperature to give high yields of the corresponding homoallylic alcohols with high regio- and chemoselectivity. SbCl 3-Al or SbCl 3-Zn in DMF-H 2O was found to be an efficient reduction system for conversion of aldehydes to alcohols at room temperature in excellent yields. While alcohol was used as solvent instead of DMF-H 2o, the acetalization product was obtained in almost quantitative yield. Catalytic amount of SbCl 3 was effective for this purpose. This acetalization method could also be applied to ketones.

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