4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide

Base Information

• Chemical Name: 4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide
• CAS No.: 49753-07-3
• Molecular Formula: C₂₀H₁₅N₉O₇S
• Molecular Weight: 525.461

Synonyms:4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide

Chemical Property of 4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide

Chemical Property:

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Technology Process of 4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide

There total 3 articles about 4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide 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: 65.0%

ethyl 3-oxo-2-(2-{4-[N-(pyrimidin-2-yl)sulfamoyl]phenyl}hydrazono)butanoate (49752-95-6) + (2,4-dinitro-phenyl)-hydrazine (119-26-6) → 4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide (49753-07-3)

Guidance literature:

In ethanol; Reflux;

DOI:10.1134/S1070363219020270

Reference yield:

sulfadiazine (68-35-9) → 4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide (49753-07-3)

Guidance literature:

Multi-step reaction with 2 steps

1.1: sodium nitrite; hydrogenchloride / acetic acid; water / 0 - 5 °C

1.2: 2 h / 0 - 20 °C

2.1: ethanol / Reflux

With hydrogenchloride; sodium nitrite; In ethanol; water; acetic acid;

DOI:10.1134/S1070363219020270

Reference yield:

→ 4-{2-[1-(2,4-dinitrophenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene]hydrazinyl}-N-(pyrimidin-2-yl)benzenesulfonamide (49753-07-3)

Guidance literature:

I, entspr. Hydrazinderivat;

upstream raw materials:

ethyl 3-oxo-2-(2-{4-[N-(pyrimidin-2-yl)sulfamoyl]phenyl}hydrazono)butanoate

(2,4-dinitro-phenyl)-hydrazine

sulfadiazine

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