Process for the preparation of dialkyl carbonates

Details Process for the preparation of dialkyl carbonates Process for the preparation of dialkyl carbonates

1990-08-06

1992-09-29

Lee, Mary C.

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

Organic compounds

Carbonate esters

C07C 6996

Patent

active

051515415

ABSTRACT:
A process for the preparation of dialkyl carbonates of the general formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.10 -alkyl, by reaction of alcohols R.sup.1 OH with a gaseous carbon monoxide/oxygen mixture in the presence of a copper catalyst and a co-solvent at elevated temperature and pressure wherein the co-solvent used is a cyclic urea of the general formula II ##STR2## in which n is equal to 2, 3 or 4 and R.sup.2 denotes hydrogen or C.sub.1 -C.sub.4 -alkyl.

REFERENCES:
patent: Re29338 (1977-08-01), Perotti et al.
patent: 3846468 (1974-11-01), Perotti et al.
patent: 3952045 (1976-04-01), Gaenzler et al.
patent: 4218391 (1980-08-01), Romano et al.
patent: 4370275 (1983-01-01), Stammann et al.
patent: 4636576 (1987-01-01), Bhattacharya et al.
patent: 4638076 (1987-01-01), Bhattacharya
patent: 4761467 (1988-08-01), Bhattacharya
Chem. Abstr. vol. 73 (Apr. 22, 1970) 14236a.
J. Org. Chem., vol. 35, No. 9 (Jan. 30, 1970) 2976-2978.

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