Monatshefte für Chemie-Chemical Monthly

Acetylation of alcohols and phenols with acetic anhydride under solvent-free conditions using an ionic liquid based on morpholine as a recoverable and reusable …

C Yue, Q Liu, T Yi, Y Chen

Index: Yue, Caibo; Liu, Qingqing; Yi, Tingfeng; Chen, Yun Monatshefte fur Chemie, 2010 , vol. 141, # 9 p. 975 - 978

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Citation Number: 12

Abstract

Abstract Rapid and efficient acetylation of alcohols and phenols with acetic anhydride is performed in the presence of economical Brønsted acidic ionic liquids that bear a propanesulfonic acid group on a morpholinium cation as catalysts under solvent-free conditions.[MMPPA][HSO 4](N-methylmorpholinium propanesulfonic acid ammonium hydrogensulfate) was proven to be the most active catalyst, and after removal of water, it ...