Process for the preparation of urethanes

C - Chemistry – Metallurgy – 07 – C

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C07C 271/06 (2006.01)

Patent

CA 1257607

ABSTRACT OF THE DISCLOSURE A process for converting a nitrogen-containing organic compound, selected from the group consisting of nitro, nitroso, azo, and azoxy compounds, into the corresponding urethane, by reacting a solution containing said nitrogen-containing organic compound and a hydroxyl-containing organic compound with carbon monoxide, in the presence of a ruthenium catalyst comprising a bis-phosphine ligand, at conditions sufficient to convert said nitrogen-containing organic compound into the corresponding ureth- ane.

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