Thionyl Chloride → 2-(Difluoromethyl)benzoyl chloride
Reaction equation
[F:1][CH:2]([F:12])[C:3]1[CH:11]=[CH:10][CH:9]=[CH:8][C:4]=1[C:5](O)=[O:6].S(Cl)([Cl:15])=O>>[F:1][CH:2]([F:12])[C:3]1[CH:11]=[CH:10][CH:9]=[CH:8][C:4]=1[C:5]([Cl:15])=[O:6]Participants
3
Procedure
A solution of 2-(difluoromethyl)benzoic acid 53 (1.8 g, 10 mmol) in thionyl chloride (25 ml) was heated at reflux for 3 h. The reaction mixture was concentrated and dried under vacuum to give 54. The crude acid chloride was used without further purification.
Workup
- temperatureat reflux for 3 h
- concentrationThe reaction mixture was concentrated
- customdried under vacuum
Sources & evidence
- ORD record
- ord-4f58a0477fcc4daea6569d52c2054177
- Source dataset
- uspto-grants-2016_05
- Patent number
- US09326986B2
Reaction notes
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