Aroylation of aromatics with aryl carboxylic acids over Nafion-H (polymeric perfluoroalkanesulfonic acid), an environmentally friendly solid acid catalyst - Prakash, G. K. Surya; Mathew, Thomas; Mandal, Mihirbaran; Farnia, Morteza; Olah, George A. (ARKIVOC, 2005)
doi: 10.3998/ark.5550190.0005.812