Preparation of diacetals from 2,2-bis(hydroxymethyl)propane-1,3-diol with aldehydes and ketones is catalysed by montmorillonite clays in refluxing benzene or toluene in good to excellent yield.
用 aldehydes 和 ketones 制备 2,2-bis(hydroxymethyl)propane-1,3-diol 的二
缩醛,在回流的苯或
甲苯中以
蒙脱石粘土作为催化剂,产率良好至优秀。