hydroxyl group

1.Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖结合未酯化的形成的。

2.METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两缩酮保,再正结晶分离纯化。

3.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.

以甲丙烯酰氯、甲丙烯酸酐和甲丙烯酸作酰化剂，研究了胆酸甲酯分子中的反应活性。