作者:Antonio Procopio、Renato Dalpozzo、Antonio De?Nino、Loredana Maiuolo、Beatrice Russo、Giovanni Sindona
DOI:10.1002/adsc.200404132
日期:2004.10
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 Ac2O, (EtCO)2O, [(CH3)3CO]2O, Bz2O, and (CF3CO)2O} without isomerisation of chiral centres. Moreover, the catalyst can be easily recycled and reused without significant loss of activity
三氟甲磺酸((III)是醇和苯酚酰化的有力催化剂。通过使用不同种类的酸酐Ac 2 O,(EtCO)2 O,[(CH 3)3 CO] 2 O,Bz 2 O,和(CF 3 CO)2 O},而没有手性中心的异构化。而且,该催化剂可以容易地再循环和再利用而没有明显的活性损失。