2-Chloro-6-fluorobenzaldehyde

2-Chloro-6-fluorobenzaldehyde is a halogenated benzaldehyde derivative with the formula C6H3ClFCHO. It is an intermediate in the synthesis of halogenated heterocyclic compounds.

Preparation, reactions, use
2-Chloro-6-fluorobenzaldehyde is prepared by oxidation of 2-chloro-6-fluorotolulene by chromyl chloride.

It reacts with sodium hydroxide to give a mixture of 2-chloro-6-fluorobenzene and 6-chlorosalicaldehyde.

2-Chloro-6-fluorobenzaldehyde is used in the production of the antiseptics dicloxacillin and flucloxacillin. Additionally it is used in the production of pesticides.