Issue 7, 2013
From the journal:

Green Chemistry

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

Terence W. Turney,*ab   Antonio Patti,a   Will Gates,c   Uzma Shaheena  and  Sanjitha Kulasegarama  

* Corresponding authors

a School of Chemistry, Monash University, Clayton, Victoria 3800, Australia
E-mail: terry.turney@monash.edu

b Department of Materials Engineering, Monash University, Clayton, Victoria 3800, Australia

c Department of Civil Engineering, Monash University, Clayton, Victoria 3800, Australia

Abstract

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.

Graphical abstract: Formation of glycerol carbonate from glycerol and urea catalysed by metal monoglycerolates

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Article information

DOI
https://doi.org/10.1039/C3GC37028C
Article type
Paper
Submitted
14 Dec 2012
Accepted
09 May 2013
First published
10 May 2013

Green Chem., 2013,15, 1925-1931

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

T. W. Turney, A. Patti, W. Gates, U. Shaheen and S. Kulasegaram, Green Chem., 2013, 15, 1925 DOI: 10.1039/C3GC37028C

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