1,3,4,5-Tetraphenyl-1H-pyrazole

Base Information

• Chemical Name: 1,3,4,5-Tetraphenyl-1H-pyrazole
• CAS No.: 7189-13-1
• Molecular Formula: C27H20 N2
• Molecular Weight: 372.469
• NSC Number: 123348
• DSSTox Substance ID: DTXSID00298465
• Nikkaji Number: J1.332.851J
• Wikidata: Q82040291

Synonyms:1,3,4,5-Tetraphenyl-1H-pyrazole;7189-13-1;NSC123348;SCHEMBL20680132;DTXSID00298465;NSC-123348

Chemical Property of 1,3,4,5-Tetraphenyl-1H-pyrazole

Chemical Property:

• Vapor Pressure: 2.06E-09mmHg at 25°C
• Boiling Point: 493.9°Cat760mmHg
• Flash Point: 252.5°C
• Density: 1.09g/cm³
• XLogP3: 6.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 4
• Exact Mass: 372.162648646
• Heavy Atom Count: 29
• Complexity: 481

Purity/Quality:

95% ^*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(N(N=C2C3=CC=CC=C3)C4=CC=CC=C4)C5=CC=CC=C5

Technology Process of 1,3,4,5-Tetraphenyl-1H-pyrazole

There total 22 articles about 1,3,4,5-Tetraphenyl-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: 93.0%

1-phenyl-2-(1,2,3-triphenylpropylidene)hydrazine (1443368-12-4) → 1,3,4,5-tetraphenyl-1H-pyrazole (7189-13-1)

Guidance literature:

With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium carbonate; In N,N-dimethyl-formamide; at 130 ℃; for 28h; Time; Inert atmosphere;

DOI:10.1021/ol4014969

Reference yield: 89.0%

benzoin phenyl hydrazone (32488-16-7) + benzaldehyde (100-52-7) → 1,3,4,5-tetraphenyl-1H-pyrazole (7189-13-1)

Guidance literature:

at 150 ℃; for 0.5h;

DOI:10.1515/znb-2016-0092

Reference yield: 78.0%

2,3-Diphenylthiirene 1,1-dioxide (5162-99-2) + N-Phenylbenzohydrazonoyl Chloride (15224-14-3,15424-14-3) → 1,3,4,5-tetraphenyl-1H-pyrazole (7189-13-1)

Guidance literature:

With triethylamine; In benzene; at 60 ℃; for 9h;

DOI:10.1021/jo00181a040

upstream raw materials:

1,2,3-triphenylpropane-1,3-dione

phenylhydrazine

2,3-Diphenylthiirene 1,1-dioxide

C,N-Diphenylnitrilimine

Downstream raw materials:

1-((Z)-1,2-Diphenyl-2-phenylamino-vinyl)-5-phenyl-1H-pyrrole-2,3,4-tricarboxylic acid 2-ethoxycarbonylmethyl ester 3,4-dimethyl ester

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