Thionyl Chloride → HCID 10643405, compound
Reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:12]([C:13]3[CH:18]=[CH:17][C:16]([S:19]([CH3:22])(=[O:21])=[O:20])=[CH:15][CH:14]=3)=[CH:11][C:10]([C:23]([OH:25])=O)=[N:9]2)=[CH:4][CH:3]=1.S(Cl)([Cl:28])=O>O1CCCC1>[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:12]([C:13]3[CH:18]=[CH:17][C:16]([S:19]([CH3:22])(=[O:21])=[O:20])=[CH:15][CH:14]=3)=[CH:11][C:10]([C:23]([Cl:28])=[O:25])=[N:9]2)=[CH:4][CH:3]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 1-(4-fluorophenyl)-5-[4-(methylsulfonyl)phenyl]pyrazole-3-carboxylic acid (6.4 g) and thionyl chloride (30 ml) in tetrahydrofuran (60 ml) was refluxed for 1 hour and concentrated under reduced pressure, giving 1-(4-fluorophenyl)-5-[4-(methylsulfonyl)phenyl]pyrazole-3-carbonyl chloride.
Workup
- temperaturewas refluxed for 1 hour
- concentrationconcentrated under reduced pressure
Sources & evidence
- ORD record
- ord-e14af48efe4f4b22b34db7842707a432
- Source dataset
- uspto-grants-1992_07
- Patent number
- US05134142
Reaction notes
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