1-(2-Bromophenyl)-3,5-dimethyl-1H-pyrazole

Base Information

• Chemical Name: 1-(2-Bromophenyl)-3,5-dimethyl-1H-pyrazole
• CAS No.: 1155573-50-4
• Molecular Formula: C₁₁H₁₁BrN₂
• Molecular Weight: 251.126
• Hs Code.: 2933199090
• DSSTox Substance ID: DTXSID70656154
• Wikidata: Q82570673
• Mol file: 1155573-50-4.mol

Synonyms:1-(2-Bromophenyl)-3,5-dimethyl-1H-pyrazole;1-(2-Bromophenyl)-3,5-dimethylpyrazole

Chemical Property of 1-(2-Bromophenyl)-3,5-dimethyl-1H-pyrazole

Chemical Property:

• PSA: 17.82000
• LogP: 3.25160
• XLogP3: 3.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 250.01056
• Heavy Atom Count: 14
• Complexity: 198

Purity/Quality:

97% ^*data from raw suppliers

1-(2-Bromophenyl)-3,5-dimethylpyrazole ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC(=NN1C2=CC=CC=C2Br)C

Technology Process of 1-(2-Bromophenyl)-3,5-dimethyl-1H-pyrazole

There total 2 articles about 1-(2-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: 95.0%

2-bromophenylhydrazine hydrochloride (50709-33-6) + acetylacetone (123-54-6,81235-32-7) → 1-(2-bromophenyl)-3,5-dimethyl-1H-pyrazole (1155573-50-4)

Guidance literature:

In ethanol; at 80 ℃; for 6h; Inert atmosphere;

DOI:10.1016/j.jorganchem.2014.11.008

Reference yield:

copper(II) acetylacetonate hydrate + 2-bromophenylhydrazine (16732-66-4) → 1-(2-bromophenyl)-3,5-dimethyl-1H-pyrazole (1155573-50-4)

Guidance literature:

for 0.0833333h; Microwave irradiation;

DOI:10.1021/acs.joc.9b03477

Reference yield: 76.0%

diphenyl diselenide (1666-13-3) + 1-(2-bromophenyl)-3,5-dimethyl-1H-pyrazole (1155573-50-4) → 1‐(2‐bromophenyl)‐3,5‐dimethyl‐4‐(phenylselanyl)‐1H‐pyrazole

Guidance literature:

With dihydrogen peroxide; sodium bromide; In water; at 20 ℃; for 6h; Reagent/catalyst; Green chemistry;

DOI:10.1002/aoc.4921

upstream raw materials:

2-bromophenylhydrazine hydrochloride

acetylacetone

2-bromophenylhydrazine

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