Selective deprotection of silyl-protected phenols using solid NaOH and a phase transfer catalyst
作者:R.David Crouch、Mike Stieff、Jessica L. Frie、Amy B. Cadwallader、Daniel C. Bevis
DOI:10.1016/s0040-4039(99)00459-1
日期:1999.4
Aryl silyl ethers can be deprotected to yield phenols in good to excellent yields using a biphasic system of 10 equivalents of NaOH and catalytic Bu4NHSO4 in 1,4-dioxane. Alkyl silyl ethers prepared using a variety of silyl protecting groups survive under these conditions, allowing selective deprotection of silyl-protected phenols in the presence of silyl-protected alcohols. (C) 1999 Elsevier Science Ltd. All rights reserved.