Simple synthesis peracetylated glucose has been achieved starting from glucose and acetic anhydride in the absence of solvent via bismuth nitrate-catalyzed reaction. This method does not need large excess of acetic anhydride.
Lerma, J., & Banik, B. (2011). SYTHESIS OF GLUCOSE PERACETATE VIA BISMUTH NITRATE-INDUCED REACTION. Heterocyclic Letters, 1, 35–36.