1,3-Diphenyl-5-methanesulfonyl-1H-pyrazole

Base Information

• Chemical Name: 1,3-Diphenyl-5-methanesulfonyl-1H-pyrazole
• CAS No.: 871110-23-5
• Molecular Formula: C16H14N2O2S
• Molecular Weight: 298.365
• DSSTox Substance ID: DTXSID60471095
• Wikidata: Q82299505
• Mol file: 871110-23-5.mol

Synonyms:1,3-Diphenyl-5-methanesulfonyl-1H-pyrazole;871110-23-5;5-(Methylsulfonyl)-1,3-diphenyl-1H-pyrazole;DTXSID60471095;1-N-Boc-3-methyl-indazole-5-boronic?acid?pinacol?ester

Chemical Property of 1,3-Diphenyl-5-methanesulfonyl-1H-pyrazole

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Boiling Point: 537.431°C at 760 mmHg
• Flash Point: 278.829°C
• PSA: 60.34000
• Density: 1.245g/cm³
• LogP: 4.02360
• XLogP3: 3.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 3
• Exact Mass: 298.07759887
• Heavy Atom Count: 21
• Complexity: 434

Purity/Quality:

99% ^*data from raw suppliers

1,3-DIPHENYL-5-METHANESULFONYL-1H-PYRAZOLE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CS(=O)(=O)C1=CC(=NN1C2=CC=CC=C2)C3=CC=CC=C3

Technology Process of 1,3-Diphenyl-5-methanesulfonyl-1H-pyrazole

There total 3 articles about 1,3-Diphenyl-5-methanesulfonyl-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: 85.0%

1,3-diphenyl-5-(methylthio)-1H-pyrazole (66040-87-7) → 1,3-diphenyl-5-(methylsulfonyl)-1H-pyrazole (871110-23-5)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 0 - 20 ℃;

DOI:10.1021/jo051771u

Reference yield:

3,3-bis(methylthio)-1-phenylprop-2-en-1-one (13636-88-9) → 1,3-diphenyl-5-(methylsulfonyl)-1H-pyrazole (871110-23-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 98 percent / t-BuOK / 2-methyl-propan-2-ol / Heating

2: 85 percent / m-CPBA / CH₂Cl₂ / 0 - 20 °C

With potassium tert-butylate; 3-chloro-benzenecarboperoxoic acid; In dichloromethane; tert-butyl alcohol;

DOI:10.1021/jo051771u

Reference yield:

phenylhydrazine (100-63-0) → 1,3-diphenyl-5-(methylsulfonyl)-1H-pyrazole (871110-23-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 98 percent / t-BuOK / 2-methyl-propan-2-ol / Heating

2: 85 percent / m-CPBA / CH₂Cl₂ / 0 - 20 °C

With potassium tert-butylate; 3-chloro-benzenecarboperoxoic acid; In dichloromethane; tert-butyl alcohol;

DOI:10.1021/jo051771u

upstream raw materials:

1,3-diphenyl-5-(methylthio)-1H-pyrazole

3,3-bis(methylthio)-1-phenylprop-2-en-1-one

phenylhydrazine

Downstream raw materials:

5-butyl-1,3-diphenyl-1H-pyrazole