Process for preparing bromodifluoroacetylfluoride

Details Process for preparing bromodifluoroacetylfluoride Process for preparing bromodifluoroacetylfluoride

C - Chemistry, Metallurgy

07

C

260/539.7

C07C 51/58 (2006.01) C07C 53/48 (2006.01)

Patent

CA 2019997

A process for preparing bromodifluoroacetylfluoride characterized in that a gaseous stream of oxygen-diluted ozone is reacted, at temperatures ranging from -100°C to +80°C, with 1,4-dibromohexafluorobutene-2 optionally dissolved in a solvent which is inert under the reaction conditions, with consequent obtaining of the corresponding ozonide and, subsequently, the ozonide is subjected to a heat treatment at temperatures ranging from 100 to 300°C, with consequent obtaining of bromodifluoroacetylfluoride.

n procédé de préparation de bromodifluoroacétylfluorure consistant à faire réagir un flux gazeux d'ozone dilué dans l'oxygène à des températures de -100 degrés C à +80 degrés C avec un 1,4-dibromohexafluorobut-2-ène pouvant être dissout dans un solvant inerte dans les conditions de réaction, donnant l'ozonide correspondant et, après chauffage de l'ozonide à une température de 100 à 300 degrés C, le bromodifluoroacétylfluorure susmentionné.

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