Sulfuric Acid → HCID 21418271, compound
Reaction equation
[Cl:1][C:2]1[N:6]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[N:5]=[C:4]([C:13]2[CH:18]=[CH:17][C:16]([Cl:19])=[CH:15][CH:14]=2)[C:3]=1[CH2:20][C:21](N)=[O:22].S(=O)(=O)(O)[OH:25]>>[Cl:1][C:2]1[N:6]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[N:5]=[C:4]([C:13]2[CH:18]=[CH:17][C:16]([Cl:19])=[CH:15][CH:14]=2)[C:3]=1[CH2:20][C:21]([OH:22])=[O:25]Participants
3
Procedure
2.0 g of 5-chloro-3-p-chlorophenyl-1-phenyl-pyrazole-4-acetamide and 10 g of 63 % sulfuric acid are heated for 1.5 hours at 100°C and prepared in accordance with example 2. 5-Chloro-3-p-chlorophenyl-1-phenyl-pyrazole-4-acetic acid is obtained; F 179.5°-181°.
Workup
- customprepared in accordance with example 2
Sources & evidence
- ORD record
- ord-9dbf687a181e4fb894a4e5af265bf711
- Source dataset
- uspto-grants-1976_08
- Patent number
- US03974176
Reaction notes
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