3,4-Diphenylpyrazole

Base Information

• Chemical Name: 3,4-Diphenylpyrazole
• CAS No.: 24567-08-6
• Molecular Formula: C15H12N2
• Molecular Weight: 220.274
• Hs Code.: 2933199090
• NSC Number: 179823
• DSSTox Substance ID: DTXSID50306802
• Nikkaji Number: J102.728J,J3.207.986E
• Wikidata: Q82054082
• Mol file: 24567-08-6.mol

Synonyms:3,4-Diphenylpyrazole;3,4-Diphenyl-1H-pyrazole;4,5-diphenyl-1H-pyrazole;24567-08-6;Pyrazole, 3,4-diphenyl-;1H-Pyrazole, 3,4-diphenyl-;NSC 179823;NSC179823;Pyrazole,4-diphenyl-;1H-Pyrazole,4-diphenyl-;3,4-diphenyl-lH-pyrazole;4,5-diphenyl-lH-pyrazole;SCHEMBL218119;DTXSID50306802;Pyrazole, 3,4(or 4,5)-diphenyl-;NSC-179823

Chemical Property of 3,4-Diphenylpyrazole

Chemical Property:

• Vapor Pressure: 3.79E-06mmHg at 25°C
• Refractive Index: 1.627
• Boiling Point: 396.9 °C at 760 mmHg
• Flash Point: 180.8 °C
• PSA: 28.68000
• Density: 1.149 g/cm³
• LogP: 3.74370
• XLogP3: 3.5
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 2
• Exact Mass: 220.100048391
• Heavy Atom Count: 17
• Complexity: 229

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2=C(NN=C2)C3=CC=CC=C3

Technology Process of 3,4-Diphenylpyrazole

There total 14 articles about 3,4-Diphenylpyrazole 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: 69.0%

benzophenone tosylhydrazone (4545-20-4) + calcium carbide (75-20-7) → 3,4-diphenyl-1H-pyrazole (24567-08-6)

Guidance literature:

With water; caesium carbonate; In dimethyl sulfoxide; at 80 ℃; for 6h; regioselective reaction; Schlenk technique;

DOI:10.1039/c6gc02776h

Reference yield: 61.0%

diphenyl acetylene (501-65-5) + diazomethyl-trimethyl-silane (18107-18-1) → 3,4-diphenyl-1H-pyrazole (24567-08-6)

Guidance literature:

at 140 ℃; for 0.75h; microwave irradiation;

DOI:10.3987/COM-06-10803

Reference yield: 57.0%

→ 3,4-diphenyl-1H-pyrazole (24567-08-6)

Guidance literature:

upstream raw materials:

3-methylsulfanyl-4,5-diphenyl-1⁽²⁾H-pyrazole

4,5-diphenyl-1⁽²⁾H-pyrazole-3-carboxylic acid

diphenyl acetylene

diazomethyl-trimethyl-silane

Downstream raw materials:

2-(((1r,4r)-4-((3,4-diphenyl-1H-pyrazol-1-yl)methyl)cyclohexyl)methoxy)acetic acid

2-(((1r,4r)-4-((4,5-diphenyl-1H-pyrazol-1-yl)methyl)cyclohexyl)methoxy)acetic acid

2-(((1s,4s)-4-((3,4-diphenyl-1H-pyrazol-1-yl)methyl)cyclohexyl)methoxy)acetic acid

1,3,4-triphenyl-1H-pyrazole

Refernces

• 1、 -. "PYRAZOLYL SUBSTITUTED CARBONIC ACID DERIVATIVES AS MODULATORS OF THE PROSTACYCLIN(PGI2) RECEPTOR USEFUL FOR THE TREATMENT OF DISORDERS RELATED THERETO". Page/Page column 139. . Retrieved 2010/07/02.
• 2、 -. "CoA-IT and PAF inhibitors". . . Retrieved 2008/06/13.