anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide

Base Information

• Chemical Name: anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide
• CAS No.: 79815-61-5
• Molecular Formula: C₁₄H₁₁N₃O₄
• Molecular Weight: 285.259
• Mol file: 79815-61-5.mol

Synonyms:anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide

Chemical Property of anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide

There total 4 articles about anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide 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%

3,5-dihydroxy-4-(p-nitrophenyl)pyrazole (119350-25-3) + acetylacetone (123-54-6,81235-32-7) → anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide (79815-61-5)

Guidance literature:

In N,N-dimethyl-formamide; for 0.0833333h; Heating;

DOI:10.1021/jo00341a023

Reference yield: 42.0%

anhydro-5,7-dimethyl-1-hydroxy-3-oxo-2-phenylpyrazolo<1,2-a>pyrazolium hydroxide (76434-58-7) → anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide (79815-61-5) + anhydro-5,7-dimethyl-1-hydroxy-2-(2-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide (114492-37-4)

Guidance literature:

With acetic acid; sodium nitrite; In water;

DOI:10.1021/jo00248a003

Reference yield: 35.0%

anhydro-5,7-dimethyl-1-hydroxy-3-oxo-2-phenylpyrazolo<1,2-a>pyrazolium hydroxide (76434-58-7) → anhydro-5,7-dimethyl-1-hydroxy-2-(4-nitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide (79815-61-5) + anhydro-5,7-dimethyl-1-hydroxy-2-(2,4-dinitrophenyl)-3-oxopyrazolo<1,2-a>pyrazolium hydroxide (114492-33-0)

Guidance literature:

With nitric acid; acetic anhydride;

DOI:10.1021/jo00248a003

upstream raw materials:

anhydro-5,7-dimethyl-1-hydroxy-3-oxo-2-phenylpyrazolo<1,2-a>pyrazolium hydroxide

3,5-dihydroxy-4-(p-nitrophenyl)pyrazole

acetylacetone

diethyl 2-(4-Nitrophenyl)malonate