A process for preparing monoesters comprises the step of reacting at least one diol with at least one carboxylic acid in a biphasic solvent system, the carboxylic acid being sufficiently water soluble to allow esterification to occur, and the biphasic solvent system comprising water and at least one aprotic solvent in which the resulting monoester has greater solubility than in water.
制备单酯的过程包括在两相溶剂系统中,将至少一种二醇与至少一种
羧酸反应的步骤,其中
羧酸足够
水溶性以允许发生酯化反应,而两相溶剂系统包括
水和至少一种无质子溶剂,其中得到的单酯比
水具有更大的溶解度。