Method for producing aliphatic o-arylurethanes

C - Chemistry – Metallurgy – 07 – C

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C07C 269/04 (2006.01) C07C 271/44 (2006.01)

Patent

CA 1318324

ABSTRACT OF THE DISCLOSURE A method for producing aliphatic O-aryl- urethanes by the reaction of an aliphatic primary amine with an aromatic hydroxyl compound and urea. Ammonia produced as a by-product in the reaction is removed during the reaction so that the ammonia concentration of the reaction solution is maintained at 2 wt% or less.

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