An efficient, mild and rapid procedure for the acylation and alkylation of aromatic and aliphatic thiols mediated on a silica gel surface at room temperature is described. The protocol allows the protection of thiols under neutral heterogeneous conditions without requiring any bases or Lewis acids, and the silica gel used as the promoter can be recycled for several runs without any loss of activity.
本文介绍了一种高效、温和且快速的室温下在
硅胶表面介导的芳香族和脂肪族
硫醇的酰化和烷基化方法。该方案允许在中性异相条件下保护
硫醇,无需任何碱或
路易斯酸,且作为
促进剂的
硅胶可循环使用多次而不会损失活性。