3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one

Base Information

• Chemical Name: 3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one
• CAS No.: 83499-36-9
• Molecular Formula: C₁₃H₉N₃O₃
• Molecular Weight: 255.233

Synonyms:3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one

Chemical Property of 3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one

Chemical Property:

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Technology Process of 3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one

There total 2 articles about 3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-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: 94.0%

4-hydroxy-6-methyl-2-pyron (675-10-5) + 4-Aminobenzonitrile (873-74-5) → 3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one (83499-36-9)

Guidance literature:

With hydrogenchloride; sodium carbonate; sodium nitrite; In water;

Reference yield:

3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one (771-03-9) → 3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one (83499-36-9)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 90 percent / H₂SO₄ / 0.25 h / 130 °C

2.1: sodium nitrite; HCl / H₂O / 0 °C

2.2: Na₂CO₃ / H₂O / 5 - 10 °C / pH 10 - 12

With hydrogenchloride; sulfuric acid; sodium nitrite; In water;

DOI:10.1016/j.ejmech.2005.05.012

Reference yield:

3-(p-cyanophenylhydrazono)-4-oxo-6-methyl pyr-2-one (83499-36-9) → 1-(4-cyanophenyl)-1,4-dihydro-4-oxo-6-methyl pyridazine-3-carboxylic Acid (83514-53-8)

Guidance literature:

In water; at 110 ℃; for 3h;

DOI:10.1016/j.ejmech.2005.05.012

upstream raw materials:

4-hydroxy-6-methyl-2-pyron

4-Aminobenzonitrile

3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one

Downstream raw materials:

1-(4-cyanophenyl)-1,4-dihydro-4-oxo-6-methyl pyridazine-3-carboxylic Acid

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