Dibenzofuran

Dibenzofuran is an organic compound that is a heterocyclic and a polycyclic aromatic hydrocarbon (PAH). It is a colorless solid that is soluble in organic solvents. Dibenzofuran is a component of coal tar. It is a precursor to other compounds of commercial interest.

Chemical Structure

Dibenzofuran is a fused three-ring system. The central oxygen atom is #8, and the carbon atoms are #1-#4 and #6-#9. The numbering is the same as in dibenzothiophene and dibenzodioxin. The carbon atom #10 is not part of the aromatic system and is thus is susceptible to reactions.

Synthesis

Dibenzofuran can be prepared by dehydrogenation of 2,2'-methylenebis(diphenylmethanol).

Applications

Dibenzofuran is a starting material for the synthesis of various compounds. For example, it is used to make dyes and pharmaceuticals.

Health Effects

Exposure to dibenzofuran may cause skin and eye irritation. It may also cause respiratory tract irritation if inhaled.

See Also

• Polycyclic aromatic hydrocarbon
• Coal tar
• Dibenzothiophene
• Dibenzodioxin

References

Dibenzofuran Resources
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