1-(PHENYLSULFONYL)PYRAZOLE

Base Information

• Chemical Name: 1-(PHENYLSULFONYL)PYRAZOLE
• CAS No.: 108128-27-4
• Molecular Formula: C9H8N2O2S
• Molecular Weight: 208.241
• Hs Code.: 2933199090
• Mol file: 108128-27-4.mol

Synonyms:1-(PHENYLSULFONYL)PYRAZOLE;1-Benzenesulfonyl-1H-pyrazole;1-(benzenesulfonyl)pyrazole

Chemical Property of 1-(PHENYLSULFONYL)PYRAZOLE

Chemical Property:

• Vapor Pressure: 4.03E-06mmHg at 25°C
• Boiling Point: 384.6°C at 760 mmHg
• Flash Point: 186.4°C
• PSA: 60.34000
• Density: 1.33g/cm³
• LogP: 2.20090

Purity/Quality:

97% ^*data from raw suppliers

1-Benzenesulfonyl-1H-pyrazole 95%+ ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-(PHENYLSULFONYL)PYRAZOLE

There total 2 articles about 1-(PHENYLSULFONYL)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: 86.0%

NH-pyrazole (288-13-1) + benzenesulfonyl chloride (98-09-9) → 1-(phenylsulfonyl)-1H-pyrazole (108128-27-4)

Guidance literature:

With triethylamine; In acetonitrile; for 0.5h; Heating / reflux;

Reference yield: 63.0%

NH-pyrazole (288-13-1) + thiophenol (108-98-5) → 1-(phenylsulfonyl)-1H-pyrazole (108128-27-4)

Guidance literature:

With pyridine; hydrogenchloride; tetramethylammonium tetrafluoroborate; In water; acetonitrile; at 20 ℃; for 0.0833333h; Reagent/catalyst; Electrochemical reaction;

DOI:10.1021/jacs.9b02266 DOI:10.1021/jacs.9b02266

Reference yield: 89.0%

1-(phenylsulfonyl)-1H-pyrazole (108128-27-4) + acetone (67-64-1) → 1-Benzenesulfonyl-5-(1-hydroxy-1-methylethyl)pyrazole

Guidance literature:

1-(phenylsulfonyl)-1H-pyrazole; With tert.-butyl lithium; In tetrahydrofuran; at -78 ℃; for 0.5h;

acetone; In tetrahydrofuran; at -78 ℃; for 2h;

DOI:10.1080/00304940009355959

upstream raw materials:

NH-pyrazole

benzenesulfonyl chloride

thiophenol

Downstream raw materials:

5-chloro-1H-pyrazole

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