Process for the preparation of dialkyl carbonates

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

1993-02-01

1993-12-28

Lee, Mary C.

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

Organic compounds

Carbonate esters

C07C 6996

Patent

active

052741630

ABSTRACT:
A process is described for the preparation of dialkyl carbonates by oxidative carbonylation of the corresponding alcohol in the presence of a copper-containing catalyst at elevated temperature and elevated pressure, which process permits simple separation of the copper-containing catalyst by sedimentation, and of the reaction water in the case of methanol by simple distillation from the reaction solution.

REFERENCES:
patent: 3846468 (1974-11-01), Perrotti et al.
patent: 4218391 (1980-08-01), Romano et al.
patent: 4318862 (1982-03-01), Romano et al.
patent: 4370275 (1983-01-01), Stammann et al.
patent: 5142087 (1992-08-01), Joerg et al.
Ind. Eng. Chem. Prod. Res. Dev., 1980, 19, pp. 396-403.

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