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

通过成本比较,认为酰氯是合适的酰。

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.

酰氯、酸酐和酸作酰，研究了胆酸酯分子中羟的反应活性。