2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide

Base Information

Chemical Name:2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide
CAS No.:75519-62-9
Molecular Formula:C₁₁H₁₁N₅O₂S
Molecular Weight:277.307
Hs Code.:

Synonyms:2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide

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Chemical Property of 2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide

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Technology Process of 2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide

There total 4 articles about 2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide 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: 74.0%

: 75519-61-8
2-(3,5-dimethylpyrazol-1-yl)phenylsulphonylhydrazide

: 75519-62-9
2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide

Guidance literature:: With hydrogenchloride; sodium nitrite; In water; at 0 - 5 ℃; for 0.5h;
DOI:10.1039/P19800000982

Reference yield:

: 1131-16-4
3,5-dimethyl-1-phenyl-1H-pyrazole

: 75519-62-9
2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) n-butyllithium, 2.) sulphur dioxide / 1.) ether, hexane, 0 deg C, 1 h, 2.) 0 deg C, 1 h

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

3: 4.0 g / hydrazine hydrate / diethyl ether / 0.5 h

4: 74 percent / sodium nitrite, hydrochloric acid / H₂O / 0.5 h / 0 - 5 °C

With hydrogenchloride; n-butyllithium; N-chloroacetamide; sulfur dioxide; hydrazine hydrate; sodium nitrite; In diethyl ether; hexane; water;
DOI:10.1039/P19800000982

Reference yield:

: 2-(3,5-Dimethyl-pyrazol-1-yl)-benzenesulfonyl chloride

: 75519-62-9
2-(3,5-dimethylpyrazol-1-yl)benzenesulphonyl azide

Guidance literature:: Multi-step reaction with 2 steps

1: 4.0 g / hydrazine hydrate / diethyl ether / 0.5 h

2: 74 percent / sodium nitrite, hydrochloric acid / H₂O / 0.5 h / 0 - 5 °C

With hydrogenchloride; hydrazine hydrate; sodium nitrite; In diethyl ether; water;
DOI:10.1039/P19800000982