Tetrahedron

Bulky diarylammonium arenesulfonates as mild and extremely active dehydrative ester condensation catalysts

A Sakakura, S Nakagawa, K Ishihara

Index: Sakakura, Akira; Nakagawa, Shoko; Ishihara, Kazuaki Tetrahedron, 2006 , vol. 62, # 2-3 p. 422 - 433

Full Text: HTML

Citation Number: 42

Abstract

More environmentally benign alternatives to current chemical processes, especially large- scale, fundamental reactions like ester condensations, are highly desirable for many reactions. Bulky diarylammonium pentafluorobenzenesulfonates and tosylates serve as extremely active dehydration catalysts for the ester condensation reaction of carboxylic acids with equimolar amounts of sterically demanding alcohols and acid-sensitive alcohols. ...