NaHSO4 supported on silica gel: an alternative catalyst for Ferrier rearrangement of glycals
作者:Henok H. Kinfe、Fanuel M. Mebrahtu、Khuphukile Sithole
DOI:10.1016/j.carres.2011.08.023
日期:2011.11
NaHSO(4) supported on silica gel catalyses the Ferrier rearrangement reaction of 3,4,6-tri-O-acetyl-D-glucal with alcohols and thiols to give the corresponding 2,3-unsaturated glycosides in high anomeric selectivity and good to excellent yield in short reaction time.
载于硅胶上的NaHSO(4)催化3,4,6-tri-O-乙酰基-D-葡萄糖与醇和硫醇的Ferrier重排反应,得到相应的2,3-不饱和糖苷,其端基异构体选择性高,且对反应时间短,产率极高。