Method of making carbonic acid esters

Details Method of making carbonic acid esters Method of making carbonic acid esters

1977-08-25

1978-09-12

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6800

Patent

active

041137620

ABSTRACT:
A method for making a carbonic acid ester of the formula ##STR1## wherein R is --CH.sub.3, --C.sub.2 H.sub.5, or --C.sub.3 H.sub.7, which comprises reacting the corresponding alcohol, ROH, with carbon monoxide and oxygen, under pressure and at elevated temperature, in the presence of a copper-containing catalyst, said catalyst being a complex formed between copper-I-chloride and vanadium trichloride, chromium trichloride, iron trichloride, cobalt-II-chloride, aluminum trichloride, or silicon tetrachloride.

REFERENCES:
patent: 3625995 (1971-12-01), Brattesani
patent: 3846468 (1974-11-01), Perrotti et al.
patent: 3952045 (1976-04-01), Gaenzler et al.
patent: 3980690 (1976-09-01), Cipriani et al.
Nefedov, B. K. et al., Izv. Akad. Nauk SSSR, Ser. Khim, 1973, (4), 804-806.

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