Heterogeneous supported catalytic carbamate process

Details Heterogeneous supported catalytic carbamate process Heterogeneous supported catalytic carbamate process

C - Chemistry, Metallurgy

07

C

C07C 269/04 (2006.01) C07C 263/04 (2006.01)

Patent

CA 2615537

A process for the preparation of aromatic carbamates comprising contacting one or more organic carbonates with an aromatic amine or urea in the presence of a catalyst and recovering the resulting aromatic carbamate product, characterized in that the catalyst is a heterogeneous catalyst comprising a Group 12-15 metal compound supported on a substrate.

La présente invention concerne un procédé pour préparer des carbamates aromatiques, comprenant la mise en contact d'un ou de plusieurs carbonates organiques avec une urée ou amine aromatique, en la présence d'un catalyseur, et la récupération du produit de carbamate aromatique résultant. L'invention se caractérise en ce que le catalyseur est un catalyseur hétérogène comprenant un composé métallique du groupe 12-15 supporté sur un substrat.

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