Production of halogenated benzonitriles
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United States of America Patent
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Jun 24, 1980
Grant Date -
N/A
app pub date -
Jan 29, 1979
filing date -
Jan 28, 1978
priority date (Note) -
Expired
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Abstract
A process for the production of a fluorobenzonitrile wherein a chlorobenzonitrile having a chlorine atom in an ortho- or para- position with respect to a nitrile group is heated with an alkali metal fluoride at a temperature between 200.degree. and 250.degree. C., in the presence of sulpholane.
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