C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 19/08 (2006.01) C07C 17/20 (2006.01)
Patent
CA 2069018
L'invention concerne la préparation des bromures de perfluoroalkyle RF-Br, RF désignant un radical perfluoroalkyle, linéaire ou ramifié, contenant de 2 à 12 atomes de carbone. Le procédé continu selon l'invention consiste à faire réagir du brome et un iodure RF-I en phase gazeuse, à une température comprise entre 200 et 600°C, le rapport molaire Br2/RFI pouvant aller de 0,1 à 2. La sélectivité en RF-Br est quasi-totale.
Elf Atochem S.a.
Robic
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