3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol

Base Information

• Chemical Name: 3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol
• CAS No.: 137514-72-8
• Molecular Formula: C₂₀H₁₆N₄O
• Molecular Weight: 328.373
• Mol file: 137514-72-8.mol

Synonyms:3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol

Chemical Property of 3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of 3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol

There total 3 articles about 3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol 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-naphthylhydrazine hydrochloride (2243-56-3) + 4-diazo-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one (1781-33-5) → 3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol (137514-72-8)

Guidance literature:

With silver trifluoromethanesulfonate; In acetonitrile; at 70 ℃; for 12h; Inert atmosphere;

DOI:10.1002/adsc.201500197

Reference yield: 85.0%

→ 3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol (137514-72-8)

Guidance literature:

With silver trifluoromethanesulfonate; In acetonitrile; at 70 ℃; for 12h; Inert atmosphere;

Reference yield: 83.0%

edaravone (89-25-8) + 1-(1-naphthyl)hydrazine (2243-55-2) → 3-methyl-4-(naphthalen-1-yldiazenyl)-1-phenyl-1H-pyrazol-5-ol (137514-72-8)

Guidance literature:

With iodine; silver nitrate; acetic acid; In 1,2-dichloro-ethane; at 70 ℃; for 10h; Inert atmosphere;

DOI:10.1039/c6ob01158f

upstream raw materials:

1-naphthylhydrazine hydrochloride

4-diazo-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

edaravone

1-(1-naphthyl)hydrazine