3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione

Base Information

• Chemical Name: 3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione
• CAS No.: 126086-03-1
• Molecular Formula: C₁₆H₁₈N₄O₃
• Molecular Weight: 314.344

Synonyms:3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione

Chemical Property of 3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione

Chemical Property:

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Technology Process of 3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione

There total 2 articles about 3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione 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: 85.0%

4-amino-2,3-dimethyl-1-phenylpyrazolin-5-one (83-07-8) + acetylacetone (123-54-6,81235-32-7) → 3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione (126086-03-1)

Guidance literature:

4-amino-2,3-dimethyl-1-phenylpyrazolin-5-one; With hydrogenchloride; acetic acid; sodium nitrite; In water; at 0 - 5 ℃;

acetylacetone; In ethanol; water; at 0 - 20 ℃;

DOI:10.1134/S1070363219110240

Reference yield: 55.0%

2,3-dimethyl-1-phenyl-5-oxo-3-pyrazolin-4-diazonium chloride + acetylacetone (123-54-6,81235-32-7) → 3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione (126086-03-1)

Guidance literature:

With sodium acetate; In ethanol; water; at 0 ℃; for 3h;

Reference yield: 80.0%

3-[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono]pentane-2,4-dione (126086-03-1) → 4-[(3,5-dimethyl-1H-pyrazol-4-yl)diazenyl]-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (78439-30-2)

Guidance literature:

With hydrazine hydrate; acetic acid; In ethanol; for 6h; Reflux;

DOI:10.1134/S1070363219110240

upstream raw materials:

acetylacetone

4-amino-2,3-dimethyl-1-phenylpyrazolin-5-one

Downstream raw materials:

6-Acetyl-1,6a-dimethyl-2-phenyl-1,6a-dihydro-2H-pyrazolo[4,5-c]pyrazol-3-one

[Fe(1,2-dihydro-1-phenyl-2,3-dimethyl-4-[2',4,-pentanedione-3'-hydrazono]pyrazol-5-one)(ClO₄)3]

[Fe(1,2-dihydro-1-phenyl-2,3-dimethyl-4-[2',4,-pentanedione-3'-hydrazono]pyrazol-5-one)(NO₃)3]

[Fe(1,2-dihydro-1-phenyl-2,3-dimethyl-4-[2',4,-pentanedione-3'-hydrazono]pyrazol-5-one)2Cl₂]Cl

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