Process for the production of urethanes

Details Process for the production of urethanes Process for the production of urethanes

B - Operations, Transporting

01

J

260/468.8

B01J 31/28 (2006.01)

Patent

CA 1236479

A PROCESS FOR THE PRODUCTION OF URETHANES ABSTRACT OF THE DISCLOSURE Urethanes are made by reacting an organic nitro compound with an organic compound containing at least one hydroxyl group in the presence of carbon monoxide, hydrogen and a catalyst system. The carbon monoxide and hydrogen are used in quantities such that the molar ratio of CO to H2 is from 0.3:1 to 3:1. The catalyst system is made up of at least one noble metal or compound of a noble metal from Group VIIIB of the Periodic System of Elements, at least one organic nitrogen base and a co-catalyst combination of iron or copper oxidic or hydroxidic compound and a chloride compound. The product urethanes are useful in the production of isocyanates and pesticides.

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