Process for the preparation of aromatic urethanes

Details Process for the preparation of aromatic urethanes Process for the preparation of aromatic urethanes

C - Chemistry, Metallurgy

07

C

260/469.2, 260/4

C07C 271/06 (2006.01) A01N 47/22 (2006.01)

Patent

CA 1049032

ABSTRACT OF THE DISCLOSURE: A process for the preparation of an aromatic ure- thane of the formula: Image wherein Ar represents an aromatic group, substituted or not by alkyl, alkoxy-aryl, aryl-oxy radicals and R and R' are equal or different and each represents an alkyl radical or a hydrogen atom, consisting in reacting an aromatic hydroxy compound with a corresponding aliphatic urethane, preferably in the presence of a Lewis acid catalyst and in the liquid phase. the compounds obtained have a wide industrial application as insecticides.

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