Hydrogen Bromide → alpha-D-Glucopyranosyl bromide, tetraacetate

Participants

Reaction Steps

First, 14 g of glucose pentaacetate, from Sigma Chemical Company, was dissolved in 60 ml of 30% HBr in acetic acid and allowed to stand a 4° C. for 69 hours. The acetic acid was removed. The residue was dissolved in 100 ml of chloroform, washed twice with 100 ml of saturated NaHCO3, dried over MgSO4, concentrated, and crystallized from 95% ethanol to give 10.88 g (74%) of acetobromoglucose.

Provenance & Evidence