8. SO4-2/SnO2: Efficient, chemoselective and reusable catalyst for acylation of alcohols, phenols and amines at room temperature

Jitendra R. Satam, Manoj B. Gawande, Sameer S. Deshpande, and Radha V. Jayaram* 

Synthetic Communication, 2007, 37, 3011-3020.