Process for the production of azomethines and...

C - Chemistry – Metallurgy – 07 – C

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C07C 251/04 (2006.01) C07C 231/10 (2006.01) C07C 231/12 (2006.01) C07C 233/07 (2006.01) C07C 233/15 (2006.01) C07C 233/25 (2006.01) C07C 249/02 (2006.01)

Patent

CA 2232607

Aromatic azomethines are produced by continuous reaction of an aniline with a formaldehyde source, with continuous evaporation to remove residual water of reaction. The azomethine product may be further reacted, either continuously or in batch process, with a haloacetylating agent, and, additionally, with an aliphatic alcohol.

Production d'azométhines aromatiques par réaction continue d'une aniline avec une source formaldéhyde, l'eau résiduaire de la réaction étant éliminée par évaporation continue. Le produit azométhinique peut ensuite être mis à réagir, de manière soit continue soit discontinue, avec un agent haloacétylant et, de plus, avec un alcool aliphatique.

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