Ring opening of 2,3-, 3,4-, and 4,6-O-benzylidene acetals of pyranosides by photobromination with bromotrichloromethane
作者:Jasbir S. Chana、Peter M. Collins、Farnoosh Farnia、David J. Peacock
DOI:10.1039/c39880000094
日期:——
2,3-3,4-, and 4,6-O-Benzylidenepyranoside derivatives on photobromination in bromotrichloromethane yield bromo-deoxy-pyranoside benzoates regio- and stereo-specifically which, for the acyl derivatives of the 2,3- and 3,4-acetals, is superior to their reaction with N-bromosuccinimide.