%0 Journal Article %A Masoud Mokhtary %A Mohammad Qandalee %A Faranak Najafizadeh %T Polyvinylpolypyrrolidone-bound boron trifluoride: A highly efficient catalyst for acylation of alcohols, phenols and trimethylsilyl ethers by acetic anhydride %J Comptes Rendus. Chimie %D 2012 %P 389-393 %V 15 %N 5 %I Elsevier %R 10.1016/j.crci.2012.01.011 %G en %F CRCHIM_2012__15_5_389_0