Direct fluorination of substituted pyridines

C - Chemistry – Metallurgy – 07 – D

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C07D 213/61 (2006.01) C07D 213/50 (2006.01) C07D 213/78 (2006.01) C07D 213/79 (2006.01) C07D 213/80 (2006.01)

Patent

CA 1299184

Abstract of the Disclosure Substituted pyridine compounds particularly alkyl-substituted pyridines, are directly fluorinated to the corresponding 2-fluoro alkyl-substituted pyridines. Fluorine gas, preferably diluted with an inert gas, is passed into the substituted pyridine, preferably in a solvent, at a temperature of +25°C to -40°C, preferably about -25°C.

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