Synthesis of acetic acid via methanol hydrocarboxylation with CO2 and H2

被引：161

作者：

Qian, Qingli ^{[1
]}

Zhang, Jingjing ^{[1
]}

Cui, Meng ^{[1
]}

Han, Buxing ^{[1
]}

机构：

[1] Univ Chinese Acad Sci, Chinese Acad Sci, CAS Key Lab Colloid Interface & Chem Thermodynam, Beijing Natl Lab Mol Sci,Inst Chem, Beijing 100190, Peoples R China

来源：

NATURE COMMUNICATIONS | 2016年 / 7卷

基金：

中国国家自然科学基金;

关键词：

CARBON-DIOXIDE; DIRECT CONVERSION; FORMIC-ACID; HYDROGENATION; HOMOLOGATION; ALKYL; METHYLATION; ALCOHOLS; CATALYST; HALIDES;

D O I：

10.1038/ncomms11481

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Acetic acid is an important bulk chemical that is currently produced via methanol carbonylation using fossil based CO. Synthesis of acetic acid from the renewable and cheap CO2 is of great importance, but state of the art routes encounter difficulties, especially in reaction selectivity and activity. Here we report a route to produce acetic acid from CO2, methanol and H-2. The reaction can be efficiently catalysed by Ru-Rh bimetallic catalyst using imidazole as the ligand and LiI as the promoter in 1,3-dimethyl-2-imidazolidinone (DMI) solvent. It is confirmed that methanol is hydrocarboxylated into acetic acid by CO2 and H-2, which accounts for the outstanding reaction results. The reaction mechanism is proposed based on the control experiments. The strategy opens a new way for acetic acid production and CO2 transformation, and represents a significant progress in synthetic chemistry.

引用

页数：7

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