4-Bromo-1-(2-fluorophenyl)-1H-pyrazole

Base Information

• Chemical Name: 4-Bromo-1-(2-fluorophenyl)-1H-pyrazole
• CAS No.: 957062-81-6
• Molecular Formula: C9H6 Br F N2
• Molecular Weight: 241.062
• Hs Code.: 2933199090
• Mol file: 957062-81-6.mol

Synonyms:4-Bromo-1-(2-fluorophenyl)-1H-pyrazole

Chemical Property of 4-Bromo-1-(2-fluorophenyl)-1H-pyrazole

Chemical Property:

• Vapor Pressure: 0.00234mmHg at 25°C
• Refractive Index: 1.622
• Boiling Point: 297.8°Cat760mmHg
• Flash Point: 133.9°C
• PSA: 17.82000
• Density: 1.59g/cm³
• LogP: 2.77390
• Storage Temp.: 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

4-Bromo-1-(2-fluorophenyl)-1H-pyrazole ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-Bromo-1-(2-fluorophenyl)-1H-pyrazole

There total 1 articles about 4-Bromo-1-(2-fluorophenyl)-1H-pyrazole which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 46.0%

1-(2-fluorophenyl)-1H-pyrazole (35715-66-3) → 4-bromo-1-(2-fluorophenyl)-1H-pyrazole (957062-81-6)

Guidance literature:

With bromine; acetic acid; at 0 - 20 ℃; for 16h;

Reference yield: 58.0%

4-bromo-1-(2-fluorophenyl)-1H-pyrazole (957062-81-6) + bis(pinacol)diborane (73183-34-3) → 1-(2-fluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (1402240-89-4)

Guidance literature:

With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; In 1,4-dioxane; dimethyl sulfoxide; at 100 ℃; for 16h; Inert atmosphere;

Reference yield: 54.0%

4-bromo-1-(2-fluorophenyl)-1H-pyrazole (957062-81-6) + 4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)aniline (214360-73-3) → 4-[1-(2-fluorophenyl)-1H-pyrazol-4-yl]phenylamine

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; In 1,4-dioxane; water; at 100 ℃; for 2.5h;

upstream raw materials:

1-(2-fluorophenyl)-1H-pyrazole

Downstream raw materials:

C₂₁H₂₂FN₇

1-(2-fluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

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