Process for preparing chlorodifluorobzene

Details Process for preparing chlorodifluorobzene Process for preparing chlorodifluorobzene

C - Chemistry, Metallurgy

07

F

C07F 5/02 (2006.01) C07C 17/093 (2006.01) C07C 25/13 (2006.01) C07C 245/20 (2006.01)

Patent

CA 2058294

2058294 9113847 PCTABS00007 1-Chloro-3,4-difluorobenzene, an intermediate in the production of certain quinolone drugs, is produced by converting a chlorofluoro-aniline into the corresponding diazonium fluoborate, and pyrolysing the latter to give the 1-chloro-3,4-difluorobenzene. 5-Chloro-2-fluorophenyldiazonium fluoborate is a new compound.

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