4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide

Base Information

• Chemical Name: 4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide
• CAS No.: 1196445-60-9
• Molecular Formula: C₁₈H₁₅N₇O₇S₂
• Molecular Weight: 505.492

Synonyms:4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide

Chemical Property of 4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide

Chemical Property:

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Technology Process of 4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide

There total 1 articles about 4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]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: 78.0%

ethyl {4-[2-(saccharin-2-yl)acetylsulfamoyl]phenylazo}cyanoacetate (1196445-49-4) → 4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide (1196445-60-9)

Guidance literature:

With hydrazine hydrate; In ethanol; for 2h; Reflux;

DOI:10.1002/jhet.176

Reference yield: 73.0%

4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide (1196445-60-9) + ethyl 2-cyano-3-(4-methoxyphenyl)prop-2-enoate (2286-29-5) → ethyl 7-amino-2-hydroxy-5-phenyl-3-(4-methoxyphenyl)-3-{4-[2-(saccharin-2-yl)acetylsulfamoyl]phenylazo}-4,5-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylate (1196445-67-6)

Guidance literature:

With piperidine; In 1,4-dioxane; for 10h; Reflux;

DOI:10.1002/jhet.176

Reference yield: 72.0%

4-(5-amino-3-hydroxy-1H-pyrazol-4-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide (1196445-60-9) + ethyl benzylidenecyanoacetate (2025-40-3) → ethyl 7-amino-2-hydroxy-5-phenyl-3-{4-[2-(saccharin-2-yl)acetylsulfamoyl]phenylazo}-4,5-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylate (1196445-66-5)

Guidance literature:

With piperidine; In 1,4-dioxane; for 10h; Reflux;

DOI:10.1002/jhet.176

upstream raw materials:

ethyl {4-[2-(saccharin-2-yl)acetylsulfamoyl]phenylazo}cyanoacetate

Downstream raw materials:

4-(7-amino-6-cyano-2-hydroxy-5-(4-methoxyphenyl)-4,5-dihydropyrazolo[1,5-a]pyrimidin-3-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide

4-(7-amino-6-cyano-2-hydroxy-5-phenyl-4,5-dihydropyrazolo-4-ylazo[1,5-a]pyrimidin-3-ylazo)-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide

ethyl 7-amino-2-hydroxy-5-phenyl-3-{4-[2-(saccharin-2-yl)acetylsulfamoyl]phenylazo}-4,5-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylate

4-[5-(benzylideneamino)-3-hydroxy-1H-pyrazol-4-ylazo]-N-[2-(saccharin-2-yl)acetyl]benzenesulfonamide

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