Chemistry Letters, Vol.29, No.9, 1074-1075, 2000
A novel, efficient, and selective cleavage of acetals using bismuth(III) chloride
Treatment of acetals with bismuth(III) chloride in methanol provides a simple, convenient and chemoselective process for deprotection, and the parent aldehyde or ketone was obtained in high yield. The acetals have been cleaved selectively in the presence of silyl, benzyl and tetrahydropyranyl ethers.