Process for preparing di-alkyl carbonates

Details Process for preparing di-alkyl carbonates Process for preparing di-alkyl carbonates

1991-07-19

1993-04-27

Dees, Jose G.

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

Organic compounds

Carbonate esters

C07C 6996

Patent

active

052064093

ABSTRACT:
A process is described for preparing a di-alkyl carbonate, e.g. dimethylcarbonate, via oxidative carbonylation of the corresponding alkanol, e.g. methanol, in the presence of a catalyst system which comprises a copper alkoxy-halide and a quantity of between 0.5 and 10 mol % of C.sub.u X.sub.2 or HX with respect to the total moles of copper. In this manner extremely high di-alkyl carbonate formation rates are obtained.

REFERENCES:
patent: 4360477 (1992-11-01), Hallgren et al.
patent: 4761467 (1988-08-01), Bhattacharya
patent: 4785130 (1988-11-01), Bhattacharya

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