A method of performing a chemical reaction

B - Operations – Transporting – 01 – J

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B01J 19/00 (2006.01) C07B 39/00 (2006.01) C07C 17/04 (2006.01) C07C 45/46 (2006.01) C07C 51/62 (2006.01) C07C 67/307 (2006.01) C07C 381/00 (2006.01)

Patent

CA 2304550

According to the present invention there is provided a method of carrying out a chemical reaction between at least two fluids, the method comprising providing respective flow paths for the at least two fluids, said flow paths communicating with each other in a region in which the at least two fluids may contact each other, and flowing the at least two fluids along said flow paths such that in said region the at least two fluids contact each other and a chemical reaction occurs between them, said region having a width perpendicular to the direction of flow in the range 10-10,000 micrometres. It has been found that using a so-called "microreactor", that is a reactor having dimensions perpendicular to the flow direction of less than 10,000 micrometres, according to the present method, improved control over a fluid chemical reaction can be achieved, which can result in significant improvements in reaction product yield and/or purity as well as other benefits. The present method has been found to be particularly beneficial for fluorination reactions.

Procédé permettant de mettre en oeuvre une réaction chimique entre au moins deux fluides, selon lequel chaque fluide dispose d'une voie d'écoulement respective. Les voies d'écoulement communiquent l'une avec l'autre dans une région dans laquelle les fluides peuvent venir en contact l'un avec l'autre et lesdits fluides s'écoulent dans la voie d'écoulement de telle manière qu'ils viennent en contact l'un avec l'autre dans ladite région et qu'une réaction chimique se produise entre ces deux fluides. Ladite région possède une largeur perpendiculairement au sens d'écoulement de l'ordre de 10 à 10.000 micromètres. Selon la présente invention, on a trouvé que l'utilisation d'un "microréacteur", c'est-à-dire d'un réacteur ayant des dimensions perpendiculaires au sens d'écoulement inférieures à 10.000 micromètres, permet d'améliorer la régulation de la réaction chimique des fluides, ce qui entraîne des améliorations significatives du rendement et/ou de la pureté du produit de réaction, ainsi que d'autres avantages. Le présent procédé est particulièrement efficace pour les réactions de fluoration.

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