酐的

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.

以甲基酰氯、甲基酐和甲基作酰化剂，研究了胆甲酯分子中基的反应活性。