protocol does not require the addition of any base or activator. This methodology has been further extended to the selective acylation of carbohydrate diols and the one-pot preparation of acetylated glycosyl chlorides direct from free reducing sugars. The yields obtained in most of the cases are excellent.
据报道,使用酰
氯和固体支持剂
Al2O3对
碳水化合物衍
生物进行选择性和全O酰化。该协议不需要添加任何碱或活化剂。该方法已经进一步扩展到
碳水化合物二醇的选择性酰化和直接从游离还原糖直接制备一锅乙酰化糖基
氯的方法。在大多数情况下所获得的产量是极好的。