Selective desilylation of -butyldimethylsilyl ethers of phenols using potassium fluoride-alumina and ultrasound
作者:Elisabeth A. Schmittling、J.Scott Sawyer
DOI:10.1016/0040-4039(91)80477-n
日期:1991.12
The use of potassium fluoride on basic alumina in acetonitrile with ultrasound for the selective deprotection of tert-butyldimethysilyl ethers of phenols is described. The method, which features a non-aqueous work-up, readily cleaves tert-butyldimethylsilyl ethers of phenols at room temperature, whereas tert-butyldimethylsilyl ethers of benzyl alcohols or 2-(trimethylsilyl)ethoxymethyl ethers of phenols are stable.