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4-Fluoronitrobenzene

Chemical compound From Wikipedia, the free encyclopedia

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4-Fluoronitrobenzene is an organic compound with the formula FC6H4NO2. It is one of three isomeric fluoronitrobenzenes.[2] A yellow oil, it is prepared from 4-nitrochlorobenzene using the Halex process:

O2NC6H4Cl + KF → O2NC6H4F + KCl
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4-Fluoronitrobenzene can be hydrogenated to give 4-fluoroaniline,[3] which is a precursor to the fungicide fluoroimide [de] and parafluorofentanyl.

Owing to the presence of the electron withdrawing nitro group, the fluoride is a good leaving group in fluoronitrobenzenes. Thus reaction with phenoxide gives the mononitrodiphenylether.[4]

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Applications

  1. U-41792
  2. B777-81
  3. WAY-213,613
  4. Butacetin[5]

References

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