3-Diazo-5-phenyl-3H-pyrazole

Base Information

• Chemical Name: 3-Diazo-5-phenyl-3H-pyrazole
• CAS No.: 62072-18-8
• Molecular Formula: C9H6N4
• Molecular Weight: 170.173
• DSSTox Substance ID: DTXSID90496534
• Wikidata: Q82345475
• Mol file: 62072-18-8.mol

Synonyms:3-Diazo-5-phenyl-3H-pyrazole;62072-18-8;SCHEMBL7261322;DTXSID90496534

Chemical Property of 3-Diazo-5-phenyl-3H-pyrazole

Chemical Property:

• XLogP3: 2.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 170.059246208
• Heavy Atom Count: 13
• Complexity: 304

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2=CC(=[N+]=[N-])N=N2

Technology Process of 3-Diazo-5-phenyl-3H-pyrazole

There total 6 articles about 3-Diazo-5-phenyl-3H-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%

3-phenyl-1H-pyrazole-5-diazonium tetrafluoroborate → 3-diazo-5-phenyl-3H-pyrazole (62072-18-8)

Guidance literature:

With sodium hydrogencarbonate; In chloroform; water; at -5 - 0 ℃; pH=4 - 5;

DOI:10.1007/s10593-019-02406-8

Reference yield: 67.0%

5-phenyl-3-pyrazolediazonium chloride (60270-00-0) → 3-diazo-5-phenyl-3H-pyrazole (62072-18-8)

Guidance literature:

With sodium carbonate; In dichloromethane; for 0.5h;

DOI:10.1021/jo00234a008

Reference yield:

3(5)-phenylpyrazol-5(3)-amine (1572-10-7) → 3-diazo-5-phenyl-3H-pyrazole (62072-18-8)

Guidance literature:

With hydrogenchloride; sodium carbonate; sodium nitrite; In water; at 0 - 5 ℃; for 0.5h;

upstream raw materials:

3⁽⁵⁾-phenylpyrazol-5⁽³⁾-amine

5-phenyl-3-pyrazolediazonium chloride

3-phenylpyrazol-5-amine

Downstream raw materials:

2-phenyl-6,7,8,9-tetrahydropyrazolo<5,1-c><1,2,4>triazine

1,4-dihydro-4,4-dimethoxy-7-phenylpyrazolo<5,1-c><1,2,4>triazine

4,7-diphenyl-pyrazolo[5,1-c][1,2,4]triazine

4-methoxy-7-phenylpyrazolo<5,1-c><1,2,4>triazine