1-(3-Bromophenyl)-3,5-dimethyl-1H-pyrazole

Base Information

• Chemical Name: 1-(3-Bromophenyl)-3,5-dimethyl-1H-pyrazole
• CAS No.: 294877-29-5
• Molecular Formula: C11H11BrN2
• Molecular Weight: 251.126
• Hs Code.: 2933199090
• Mol file: 294877-29-5.mol

Synonyms:1-(3-Bromophenyl)-3,5-dimethyl-1H-pyrazole;1-(3-Bromophenyl)-3,5-dimethylpyrazole

Chemical Property of 1-(3-Bromophenyl)-3,5-dimethyl-1H-pyrazole

Chemical Property:

• Boiling Point: 327.6±30.0 °C(Predicted)
• PKA: 1.38±0.12(Predicted)
• PSA: 17.82000
• Density: 1.40±0.1 g/cm3(Predicted)
• LogP: 3.25160
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

1-(3-Bromophenyl)-3,5-dimethylpyrazole ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-(3-Bromophenyl)-3,5-dimethyl-1H-pyrazole

There total 4 articles about 1-(3-Bromophenyl)-3,5-dimethyl-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: 99.0%

3-bromophenylhydrazine hydrochloride (27246-81-7) + acetylacetone (123-54-6,81235-32-7) → 1-(3'-bromophenyl)-3,5-dimethyl-1H-pyrazole (294877-29-5)

Guidance literature:

With potassium acetate; In ethanol; for 2h; Reflux;

DOI:10.1039/c6ob00496b

Reference yield: 81.0%

acetylacetone (123-54-6,81235-32-7) + 3-bromophenylhydrazine (40887-80-7) → 1-(3'-bromophenyl)-3,5-dimethyl-1H-pyrazole (294877-29-5)

Guidance literature:

In ethanol; at 65 ℃; for 6h; Temperature; Concentration;

Reference yield: 72.0%

3,5-dimethyl-1H-pyrazole (67-51-6) + 1-Bromo-3-iodobenzene (591-18-4) → 1-(3'-bromophenyl)-3,5-dimethyl-1H-pyrazole (294877-29-5)

Guidance literature:

With copper(l) iodide; potassium carbonate; L-proline; In dimethyl sulfoxide; at 130 ℃; for 24h;

upstream raw materials:

3-bromophenylhydrazine hydrochloride

acetylacetone

3-bromophenylhydrazine

3,5-dimethyl-1H-pyrazole

Downstream raw materials:

2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)phenoxy)-9H-carbazole

2-[3-(3,5-dimethylpyrazol-1-yl)-phenoxy]-N-(tetrahydropyranyl)carbazole

2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)phenoxy)-9-(pyridin-2-yl)-9H-carbazole