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Green Chem., 2009, 11, 1719 - 1728, DOI: 10.1039/b822795k

Organic syntheses catalyzed by superacidic metal oxides: sulfated zirconia and related compounds

Kazushi Arata

Recent studies on organic syntheses catalyzed by solid superacids, which are sulfate-supported metal oxides and tungsten- or molybdenum-supported metal oxides, are reviewed. The synthetic reactions are Friedel–Crafts acylations, reactions between amines and ketones, esterifications of acids with alcohols, and others. The catalysts are satisfactorily active in a heterogeneous liquid–solid system, recoverable, and reusable, and they offer new opportunities for developing environmentally benign and friendly processes in organic syntheses.

Graphical abstract image for this article (ID: b822795k)