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, Jose and Banik, Bimal K., "SYTHESIS OF GLUCOSE PERACETATE VIA BISMUTH NITRATE-INDUCED REACTION" (2011). Chemistry Faculty Publications and Presentations. 98.