3,4-Dichlorobenzoic acid → Benzoyl chloride, 3,4-dichloro-

HRID 923325Notes

Reaction equation

HRID 923325 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]=1[Cl:11])[C:5](O)=[O:6].S(Cl)([Cl:14])=O>>[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]=1[Cl:11])[C:5]([Cl:14])=[O:6]

Participants

3

Reactant 2

HCID 58173,4-Dichlorobenzoic acidHCID 24386Thionyl Chloride

Product 1

HCID 76403Benzoyl chloride, 3,4-dichloro-Yield 91%

Procedure

A solution of 3,4-dichlorobenzoic acid (20 g, 105.26 mmol) in thionyl chloride (200 ml) was stirred overnight at 90° C. The resulting mixture was concentrated under vacuum to afford 3,4-dichlorobenzoyl chloride as light yellow oil (20 g, 91%).

Workup

  1. concentrationThe resulting mixture was concentrated under vacuum

Sources & evidence

ORD record
ord-0b1e191e7eb94579a6b35f65178ca63d
Source dataset
uspto-grants-2016_03
Patent number
US09278973B2

Reaction notes

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