Process for the preparation of diaryl carbonates

Details Process for the preparation of diaryl carbonates Process for the preparation of diaryl carbonates

1975-09-30

1977-03-15

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260295R, 2602955R, C07C 6802

Patent

active

040124061

ABSTRACT:
A process for the preparation of a diaryl carbonate by the reaction of an aromatic monohydroxy compound with phosgene under elimination of hydrogen chloride, wherein said reaction is carried out in the presence of a catalytic quantity of an aromatic heterocyclic basic nitrogen compound, or a salt thereof, or an adduct thereof formed under the reaction conditions.

REFERENCES:
patent: 2837555 (1958-06-01), Lee
patent: 3170946 (1965-02-01), Kilsheimer
patent: 3211774 (1965-10-01), Stephens
patent: 3211775 (1965-10-01), Stephens et al.
patent: 3211776 (1965-10-01), Stephens

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