Formation of glycerol carbonate from glycerol and urea catalysed by metal monoglycerolates

被引：75
|
作者：
Turney, Terence W. [1 ,2 ]
Patti, Antonio [1 ]
Gates, Will [3 ]
Shaheen, Uzma [1 ]
Kulasegaram, Sanjitha [1 ]
机构：
[1] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia
[2] Monash Univ, Dept Mat Engn, Clayton, Vic 3800, Australia
[3] Monash Univ, Dept Civil Engn, Clayton, Vic 3800, Australia
来源：
GREEN CHEMISTRY | 2013年 / 15卷 / 07期
基金：
澳大利亚研究理事会;
关键词：
DIMETHYL CARBONATE; OXIDATIVE CARBONYLATION; ZINC-OXIDE; TRANSESTERIFICATION; DECOMPOSITION; CHEMICALS; DIOXIDE; SOLVENT;
D O I：
10.1039/c3gc37028c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polymeric monoglycerolate complexes of zinc and cobalt can act as homogeneous catalysts for the one-pot synthesis of glycerol carbonate from glycerol and urea. Effects of reaction temperature, time and glycerol to urea molar ratios on glycerol carbonate selectivity and glycerol conversion have been analysed, with yields reaching 83% at 98% glycerol conversion. The proposed mechanism involves competing catalysed and uncatalysed pathways. In the catalysed pathway, an intermediate isocyanate complex, formed from reaction of urea with the metal monoglycerolate, undergoes rearrangement to form glycerol carbonate and ammonia.
引用
收藏
页码：1925 / 1931
页数：7
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