4--antipyrine

Base Information

• Chemical Name: 4--antipyrine
• CAS No.: 74529-83-2
• Molecular Formula: C₂₁H₂₉N₃O₃
• Molecular Weight: 371.48

Synonyms:4--antipyrine

Chemical Property of 4--antipyrine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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Technology Process of 4--antipyrine

There total 4 articles about 4--antipyrine 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: 95.0%

4-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-4H-pyridine-1-carboxylic acid isobutyl ester (74529-79-6) → 4--antipyrine (74529-83-2)

Guidance literature:

With hydrogen; palladium on activated charcoal; In methanol; water; Ambient temperature;

DOI:10.1002/ardp.19803130307

Reference yield:

pyridine (110-86-1) → 4--antipyrine (74529-83-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 73 percent / acetonitrile / 30 - 40 °C

2: 95 percent / H₂ / Pd/C / methanol; H₂O / Ambient temperature

With hydrogen; palladium on activated charcoal; In methanol; water; acetonitrile;

DOI:10.1002/ardp.19803130307

Reference yield:

antipyrine (60-80-0) → 4--antipyrine (74529-83-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 73 percent / acetonitrile / 30 - 40 °C

2: 95 percent / H₂ / Pd/C / methanol; H₂O / Ambient temperature

With hydrogen; palladium on activated charcoal; In methanol; water; acetonitrile;

DOI:10.1002/ardp.19803130307

upstream raw materials:

4-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-4H-pyridine-1-carboxylic acid isobutyl ester

pyridine

antipyrine

isobutyl chloroformate

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