The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.

通过成本比较,认氯是合适的化剂。

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.

以基烯氯、基烯基烯作化剂，研究了胆酯分子中羟基的反应活性。