Method for preparing glycerol carbonate

Details Method for preparing glycerol carbonate Method for preparing glycerol carbonate

1999-04-22

2000-02-15

Dentz, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31736

Patent

active

060255048

ABSTRACT:
The invention concerns a method for preparing glycerol carbonate. This method consists of making urea and glycerol react at a temperature substantially between 90.degree. C. and 220.degree. C. in the presence of a catalyst bearing Lewis acid sites, in particular metallic or organometallic salts or supported metallic compounds. The invention enables glycerol carbonate to be obtained, by a catalytic carbamoylation/carbonation reaction, in a highly pure state under economic conditions.

REFERENCES:
patent: 2915529 (1959-12-01), Bell et al.
Abbas-Alli G. Shaikh et al., "Organic Carbonates", Chemical Reviews, 1996 l. 96, No. 3, pp. 951-976, American Chemical Society.
Peter Ball et al., "Synthesis of Carbonates and Polycarbonates by Reaction of Urea with Hydroxy Compounds", 1984, vol. 1, pp. 95-108, Harwood Academic Publishers GMBH.

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