diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane

Base Information

• Chemical Name: diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane
• CAS No.: 75519-57-2
• Molecular Formula: C₁₂H₁₂N₄
• Molecular Weight: 212.254

Synonyms:

Chemical Property of diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane

Chemical Property:

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Technology Process of diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane

There total 7 articles about diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane 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:

2-(3,5-Dimethyl-pyrazol-1-yl)-benzenesulfonyl chloride → diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane (75519-57-2)

Guidance literature:

Multi-step reaction with 4 steps

1: 10 percent / sodium azide / ethanol / 1 h

2: 75 percent / n-butyllithium / diethyl ether; hexane / 1.) 0 deg C, 1 h, 2.) room temperature, 30 min

3: 84 percent / hydrazine hydrate / ethanol / 0.5 h / Heating

4: potassium hydroxide, magnesium sulphate, silver(I) oxide / diethyl ether / 0.5 h / Ambient temperature

With potassium hydroxide; n-butyllithium; sodium azide; magnesium sulfate; hydrazine hydrate; silver(l) oxide; In diethyl ether; ethanol; hexane;

DOI:10.1039/P19800000982

Reference yield:

C11H11N2O2S(1-)*Li(1+) → diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane (75519-57-2)

Guidance literature:

Multi-step reaction with 5 steps

1: N-chloroacetamide / diethyl ether; hexane / 15 h / Ambient temperature

2: 10 percent / sodium azide / ethanol / 1 h

3: 75 percent / n-butyllithium / diethyl ether; hexane / 1.) 0 deg C, 1 h, 2.) room temperature, 30 min

4: 84 percent / hydrazine hydrate / ethanol / 0.5 h / Heating

5: potassium hydroxide, magnesium sulphate, silver(I) oxide / diethyl ether / 0.5 h / Ambient temperature

With potassium hydroxide; n-butyllithium; sodium azide; N-chloroacetamide; magnesium sulfate; hydrazine hydrate; silver(l) oxide; In diethyl ether; ethanol; hexane;

DOI:10.1039/P19800000982

Reference yield:

[1-[2-(3,5-Dimethyl-pyrazol-1-yl)-phenyl]-meth-(Z)-ylidene]-hydrazine (75519-56-1) → diazo-2-(3,5-dimethylpyrazol-1-yl)phenylmethane (75519-57-2)

Guidance literature:

With potassium hydroxide; magnesium sulfate; silver(l) oxide; In diethyl ether; for 0.5h; Ambient temperature;

DOI:10.1039/P19800000982

upstream raw materials:

[1-[2-(3,5-Dimethyl-pyrazol-1-yl)-phenyl]-meth-(Z)-ylidene]-hydrazine

3,5-dimethyl-1-phenyl-1H-pyrazole

2-(3,5-dimethyl-1H-pyrazol-1-yl)-benzaldehyde

2-(3,5-dimethylpyrazol-1-yl)phenylsulphonylhydrazide

Downstream raw materials:

2,2'-bis(3,5-dimethylpyrazol-1-yl)benzaldehyde azine

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