![](/CAS/20140602/GIF/CB52515482.gif)
1-(3-fluorophenyl)-1H-pyrazole-4-carboxylic acid synthesis
- Product Name:1-(3-fluorophenyl)-1H-pyrazole-4-carboxylic acid
- CAS Number:138907-82-1
- Molecular formula:C10H7FN2O2
- Molecular Weight:206.17
![ethyl 5-amino-1-(3-fluorophenyl)-1H-pyrazole-4-carboxylate](/CAS2/GIF/138907-70-7.gif)
138907-70-7
39 suppliers
inquiry
![1-(3-fluorophenyl)-1H-pyrazole-4-carboxylic acid](/CAS/20140602/GIF/CB52515482.gif)
138907-82-1
19 suppliers
$203.00/100mg
Yield:138907-82-1 88%
Reaction Conditions:
Stage #1: ethyl 5-amino-1-(3-fluorophenyl)-1H-pyrazole-4-carboxylatewith Isovaleronitrile in tetrahydrofuran;Reflux;
Stage #2: with methanol;lithium hydroxide in tetrahydrofuran;
References:
WO2014/41007,2014,A1 Location in patent:Page/Page column 19-20
![CHEMBRDG-BB 4003862](/CAS/GIF/936940-82-8.gif)
936940-82-8
56 suppliers
$23.00/1g
![1-(3-fluorophenyl)-1H-pyrazole-4-carboxylic acid](/CAS/20140602/GIF/CB52515482.gif)
138907-82-1
19 suppliers
$203.00/100mg
![3-Fluorophenylhydrazine hydrochloride](/CAS/GIF/2924-16-5.gif)
2924-16-5
168 suppliers
$9.00/5g
![1-(3-fluorophenyl)-1H-pyrazole-4-carboxylic acid](/CAS/20140602/GIF/CB52515482.gif)
138907-82-1
19 suppliers
$203.00/100mg