A new method for deprotection of thioesters using TiCl4/Zn at 0-25 °C is described. The procedure chemoselectively cleaves the S-CO bond in thioesters in the presence of other carbonyl functional groups and other protecting groups to cleanly produce thiols.
描述了一种在0-25°C下使用TiCl4/Zn去保护
硫酯的新方法。该过程
化学选择性地裂解
硫酯中的S-CO键,在存在其他羰基功能团和其他保护基的情况下,干净地产生
硫醇。