Process for producing urethane compound

Details Process for producing urethane compound Process for producing urethane compound

1994-01-28

1995-02-21

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

560 24, 560115, 560157, 560158, C07C26900, C07C26904

Patent

active

053918053

ABSTRACT:
An urethane compound is produced in high yield under mild conditions by reacting a formamide compound with dimethyl carbonate in the presence of basic anion exchange resin as a catalyst or by reacting an amine compound with dimethyl carbonate in the presence of basic anion exchange resin as a catalyst and methyl formate. Separation and recovery of the catalyst and purification of the urethane compound can be carried out very readily, and since control of water content is not particularly required in this invention, an amine compound and dimethyl carbonate of poor quality can be used.

REFERENCES:
patent: 3763217 (1973-10-01), Brill
patent: 4100351 (1978-07-01), Romano et al.
patent: 4297501 (1981-10-01), Becker et al.
patent: 4395565 (1983-07-01), Romano et al.
patent: 4398036 (1983-08-01), McCoy et al.
patent: 5171830 (1992-12-01), Grey

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