4-(4-bromophenyl)-1-methl-1H-pyrazole
- Product Name
- 4-(4-bromophenyl)-1-methl-1H-pyrazole
- CAS No.
- 1191616-45-1
- Chemical Name
- 4-(4-bromophenyl)-1-methl-1H-pyrazole
- Synonyms
- 4-(4-bromophenyl)-1-methylpyrazole;4-(4-bromophenyl)-1-methl-1H-pyrazole;4-(4-bromophenyl)-1-methyl-1H-pyrazole;1H-Pyrazole, 4-(4-bromophenyl)-1-methyl-
- CBNumber
- CB53033323
- Molecular Formula
- C10H9BrN2
- Formula Weight
- 237.1
- MOL File
- 1191616-45-1.mol
4-(4-bromophenyl)-1-methl-1H-pyrazole Property
- Boiling point:
- 345.3±25.0 °C(Predicted)
- Density
- 1.44±0.1 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 1.44±0.10(Predicted)
- Appearance
- Light yellow to brown Solid
N-Bromosuccinimide Price
- Product number
- 1531DT
- Product name
- 4-(4-Bromophenyl)-1-methyl-1h-pyrazole
- Packaging
- 100mg
- Price
- $103
- Updated
- 2021/12/16
- Product number
- UT00316
- Product name
- 4-(4-Bromophenyl)-1-methyl-1H-pyrazole
- Purity
- 97%
- Packaging
- 0.25g
- Price
- $158.33
- Updated
- 2021/12/16
- Product number
- CM248082
- Product name
- 4-(4-Bromophenyl)-1-methyl-1H-pyrazole
- Purity
- 95%
- Packaging
- 1g
- Price
- $232
- Updated
- 2021/12/16
- Product number
- A208001
- Product name
- 4-(4-Bromophenyl)-1-methyl-1H-pyrazole
- Purity
- 97%
- Packaging
- 1g
- Price
- $233
- Updated
- 2021/12/16
- Product number
- UT00316
- Product name
- 4-(4-Bromophenyl)-1-methyl-1H-pyrazole
- Purity
- 97%
- Packaging
- 0.5g
- Price
- $249.12
- Updated
- 2021/12/16
4-(4-bromophenyl)-1-methl-1H-pyrazole Chemical Properties,Usage,Production
Synthesis
106-37-6
761446-44-0
1191616-45-1
To a 250 mL round bottom flask under nitrogen protection was added 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (2.00 g, 9.61 mmol), 1,4-dibromobenzene (2.30 g, 9.75 mmol), tetrakis(triphenylphosphine)palladium (550 mg, 0.48 mmol), potassium carbonate (2.60 g, 18.8 mmol), 1,4-dioxane (40 mL) and water (10 mL). The reaction mixture was stirred at 80 °C for 3 hours. After completion of the reaction, the mixture was concentrated to dryness. The residue was purified by silica gel column chromatography with ethyl acetate/petroleum ether (1/10, v/v) as eluent to give 4-(4-bromophenyl)-1-methyl-1H-pyrazole (1.70 g, 75% yield) as a yellow solid.
References
[1] Patent: WO2016/41618, 2016, A1. Location in patent: Page/Page column 69
4-(4-bromophenyl)-1-methl-1H-pyrazole Preparation Products And Raw materials
Raw materials
Preparation Products
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