Process for the procuction of aromatic urethanes

Details Process for the procuction of aromatic urethanes Process for the procuction of aromatic urethanes

1996-06-27

1997-11-18

Barts, Samuel

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

Organic compounds

Carboxylic acid esters

C09C26100

Patent

active

056889887

ABSTRACT:
A process is described for the preparation of aromatic urethanes in which organic carbonate in a stoichiometric quantity or in a quantity higher than the stoichiometric value is reacted with an aromatic amine operating in the presence of a carbamation catalyst, wherein this catalyst is selected from zinc and/or copper carbonate hydroxide.
The process gives high yields and selectivity in the useful reaction product.

REFERENCES:
patent: 4268684 (1981-05-01), Gurgiolo

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