Process for preparing a dialkyl carbonate by gas-phase decarbony

Details Process for preparing a dialkyl carbonate by gas-phase decarbony Process for preparing a dialkyl carbonate by gas-phase decarbony

1998-11-09

1999-10-26

Ambrose, Michael G.

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

Organic compounds

Carbonate esters

C07C 6800

Patent

active

059731842

ABSTRACT:
A dialkyl carbonate (e.g., dimethyl carbonate) is prepared at a high yield and a high selectivity by decarbonylation of a dialkyl oxalate (e.g., dimethyl oxalate) in a gaseous phase in the presence of an alkali metal compound (e.g., potassium carbonate).

REFERENCES:
patent: 4544507 (1985-10-01), Foley
patent: 5648510 (1997-07-01), Harada et al.

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