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

被引：15

作者：

Yue, Caibo ^{[1
]}

Liu, Qingqing ^{[1
]}

Yi, Tingfeng ^{[1
]}

Chen, Yun ^{[1
]}

机构：

[1] Anhui Univ Technol, Sch Chem & Chem Engn, Maanshan 243002, Peoples R China

来源：

MONATSHEFTE FUR CHEMIE | 2010年 / 141卷 / 09期

关键词：

Acetylation; Economical acidic ionic liquid; Catalyst; Acetic anhydride; HIGHLY EFFICIENT; SELECTIVE ACETYLATION; MOLECULAR-IODINE; ACYLATION; AMINES; ACID; PERCHLORATE; CONVENIENT; THIOLS;

D O I：

10.1007/s00706-010-0353-x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rapid and efficient acetylation of alcohols and phenols with acetic anhydride is performed in the presence of economical Bronsted acidic ionic liquids that bear a propanesulfonic acid group on a morpholinium cation as catalysts under solvent-free conditions. [MMPPA][HSO4] (N-methylmorpholinium propanesulfonic acid ammonium hydrogensulfate) was proven to be the most active catalyst, and after removal of water, it could be recycled and reused for up to four times without a noticeable decrease in catalytic activity.

引用

页码：975 / 978

页数：4

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