Process for preparing hydroxylated and/or alkoxylated...

Details Process for preparing hydroxylated and/or alkoxylated... Process for preparing hydroxylated and/or alkoxylated...

C - Chemistry, Metallurgy

07

C

260/566.7

C07C 47/565 (2006.01) C07C 45/63 (2006.01) C07C 47/575 (2006.01)

Patent

CA 1216000

BREVET D'INVENTION PROCEDE DE PREPARATION DE BROMOBENZALDEHYDES HYDROXY ET/OU ALKOXY SUBSTITUES Société dite: RHONE-POULENC SPECIALITIES CHIMIQUES Inventeurs: Serge RATTON Jean-luc BOURGEOIS ABREGE DU CONTENU TECHNIQUE DE L'INVENTION L'invention a pour objet un procédé de préparation de bromobenzaldéhydes hydroxy et/ou alcoxy substitués en les brombenzaldéhydes correspondants par bromation à l'aide du couple formé par l'acide bromhydrique et un oxydant des ions bromures. Le procédé sert en particulier à la préparation de la bromo-5 vanilline.

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