Sulfuric Acid → 2,4-dichloro-5-fluorobenzaldehyde

HRID 1904087Notes

Reaction equation

[Cl:1][C:2]1[CH:10]=[C:9]([Cl:11])[C:8]([F:12])=[CH:7][C:3]=1[CH:4](Cl)Cl.S(=O)(=O)(O)[OH:14]>>[Cl:1][C:2]1[CH:10]=[C:9]([Cl:11])[C:8]([F:12])=[CH:7][C:3]=1[CH:4]=[O:14]

Participants

Reactant 2

HCID 1118Sulfuric Acid

HCID 13273347HCID 13273347, compound

Product 1

HCID 27740092,4-dichloro-5-fluorobenzaldehyde

Procedure

reacting 2,4-dichloro-5-fluorobenzal chloride of the formula ##STR13## with sulphuric acid to obtain 2,4-dichloro-5-fluorobenzaldehyde of the formula ##STR14## then chlorinating to give the compound of formula (I).

Sources & evidence

ORD record: ord-37673e00311c4c9693a15be17b1ad358
Source dataset: uspto-grants-1984_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04439620

Reaction notes

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