Process for preparing derivatives of (halo)...

Details Process for preparing derivatives of (halo)... Process for preparing derivatives of (halo)...

C - Chemistry, Metallurgy

07

D

C07D 251/40 (2006.01) C07D 251/54 (2006.01) C07D 251/66 (2006.01) C07D 251/70 (2006.01)

Patent

CA 2118073

A PROCESS FOR PREPARING DERIVATIVES OF (HALO)AMINO-1,3,5-TRIAZINES BY CARBONYLATION ABSTRACT OF THE DISCLOSURE Provided is a process for preparing carbonylated derivatives of amino- and haloamino-1,3,5-triazines by contacting the 1,3,5-triazine, carbon monoxide and a metal catalyst system containing a metal promoter for promoting carbonylation, at a temperature carbon monoxide pressure and length of time sufficient to carbonylate at least a portion of the amino and/or haloamino groups of the 1,3,5-triazine. The product resulting from contacting these components is an isocyanate functional 1,3,5-triazine; however, the carbamate functional derivative can be readily produced by contacting these components in the further presence of a hydroxy compound, or by post-reacting the isocyanate functional product with such hydroxy compound.

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