4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one

Base Information

• Chemical Name: 4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one
• CAS No.: 106538-12-9
• Molecular Formula: C₂₀H₁₈N₆O
• Molecular Weight: 358.403

Synonyms:4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one

Chemical Property of 4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one

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Technology Process of 4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one

There total 2 articles about 4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one 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: 88.0%

5-phenyl-7-methylpyrazolo<4,3-c><1,2,5>oxadiazin-3(5H)-one (58663-02-8) + edaravone (89-25-8) → 4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one (106538-12-9)

Guidance literature:

With sodium hydride; In tetrahydrofuran; for 1h;

DOI:10.1002/jhet.5570230255

Reference yield:

5-amino-3-methyl-4-nitroso-1-phenylpyrazole (52943-85-8) → 4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one (106538-12-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 94 percent / tetrahydrofuran / 0.5 h / Ambient temperature

2: 88 percent / NaH / tetrahydrofuran / 1 h

With sodium hydride; In tetrahydrofuran;

DOI:10.1002/jhet.5570230255

Reference yield: 99.0%

4-[(Z)-5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-ylimino]-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one (106538-12-9) → 3,5-dimethyl-1,7-diphenylbispyrazolo<3,4-b;4',3'-e>pyrazine (4784-08-1)

Guidance literature:

With sodium hydroxide; for 0.333333h; Heating;

DOI:10.1002/jhet.5570230255

upstream raw materials:

5-phenyl-7-methylpyrazolo<4,3-c><1,2,5>oxadiazin-3(5H)-one

edaravone

5-amino-3-methyl-4-nitroso-1-phenylpyrazole

Downstream raw materials:

3,5-dimethyl-1,7-diphenylbispyrazolo<3,4-b;4',3'-e>pyrazine

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