Process for the preparation of urethane

Details Process for the preparation of urethane Process for the preparation of urethane

C - Chemistry, Metallurgy

07

C

260/468

C07C 271/06 (2006.01)

Patent

CA 1133009

Mo-2034 LeA 19,484 PROCESS FOR THE PREPARATION OF URETHANE ABSTRACT OF THE DISCLOSURE Production of urethanes by the oxycarbonylation reaction of N,N'-disubstituted ureas and organic com- pounds containing at least one hydroxyl group with carbon monoxide in the presence of molecular oxygen and/or organic nitro compounds and a catalyst system comprising (a) a noble metal and/or noble metal compound of the eighth subgroup of the periodic system of elements and (b) a compound of an element and/or elements of the third to fifth main group and/or first to eighth sub- group of the periodic system of elements characterized in that said compounds are capable of undergoing Redox reactions under the reaction conditions. LeA 19,484

345675

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