Spiroorthoesterification de sucres C-1 gem dihalogenes
作者:J.P. Praly、L. Brard、G. Descotes
DOI:10.1016/0040-4039(88)85250-x
日期:——
Treatment of the recently described 1-bromo- 2.3,4,6-tetra--acetyl- β -D-glucopyranosyl chloride with silver triflate in the presence of various alcohols allows efficient orthoesterification at the anomeric centre.