Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙、甲基丙酸酐甲基丙酸作，研究了胆酸甲酯分子中羟基的反应活性。