Erbium (III) triflate as an extremely active acylation catalyst

A Procopio, R Dalpozzo, A De Nino…

Index: Procopio, Antonio; Dalpozzo, Renato; De Nino, Antonio; Maiuolo, Loredana; Russo, Beatrice; Sindona, Giovanni Advanced Synthesis and Catalysis, 2004 , vol. 346, # 12 p. 1465 - 1470

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Citation Number: 42

Abstract

Abstract Erbium (III) triflate is a powerful catalyst for the acylation of alcohols and phenols. The reaction works well for a large variety of simple and functionalized substrates by using different kinds of acidic anhydrides {Ac 2 O,(EtCO) 2 O,[(CH 3) 3 CO] 2 O, Bz 2 O, and (CF 3 CO) 2 O} without isomerisation of chiral centres. Moreover, the catalyst can be easily recycled and reused without significant loss of activity.