Mild, selective deprotection of PMB ethers with triflic acid/1,3-dimethoxybenzene
作者:Michael E. Jung、Pierre Koch
DOI:10.1016/j.tetlet.2011.08.102
日期:2011.11
An efficient method for the cleavage of the p-methoxybenzyl protecting group of several alcohols in the presence of 0.5 equiv of trifluoromethanesulfonic acid and 1,3-dimethoxybenzene in dichloromethane at room temperature is described. (C) 2011 Elsevier Ltd. All rights reserved.