3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole

Base Information

• Chemical Name: 3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole
• CAS No.: 740861-75-0
• Molecular Formula: C₂₈H₂₄N₄O
• Molecular Weight: 432.525

Synonyms:3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole

Chemical Property of 3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole

Chemical Property:

Purity/Quality:

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Technology Process of 3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole

There total 3 articles about 3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole 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:

4-methyl-benzaldehyde (104-87-0) → 3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole (740861-75-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 2 h / 120 - 130 °C

2: piperidine / ethanol / 4 h / Heating

With piperidine; In ethanol;

DOI:10.1080/10426500490257041

Reference yield:

edaravone (89-25-8) → 3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole (740861-75-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 2 h / 120 - 130 °C

2: piperidine / ethanol / 4 h / Heating

With piperidine; In ethanol;

DOI:10.1080/10426500490257041

Reference yield:

4-(4-methylbenzylidene)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one (53316-56-6) + edaravone (89-25-8) → 3,5-dimethyl-1,7-diphenyl-4-(p-tolyl)-4,7-dihydro-1H-pyrano[2,3-c:6,5-c']dipyrazole (740861-75-0)

Guidance literature:

With piperidine; In ethanol; for 4h; Heating;

DOI:10.1080/10426500490257041

upstream raw materials:

4-(4-methylbenzylidene)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one

edaravone

4-methyl-benzaldehyde

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