3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde

Base Information

• Chemical Name: 3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde
• CAS No.: 115437-27-9
• Molecular Formula: C₂₉H₂₄N₃OP
• Molecular Weight: 461.503

Synonyms:3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde

Chemical Property of 3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde

Chemical Property:

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Technology Process of 3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde

There total 2 articles about 3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde 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: 82.0%

5-azido-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde (114362-54-8) + triphenylphosphine (603-35-0) → 3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde (115437-27-9)

Guidance literature:

In dichloromethane; for 16h; Ambient temperature;

DOI:10.1021/jo00255a003

Reference yield:

5-chloro-4-formyl-3-methyl-1-phenyl-1H-pyrazole (947-95-5) → 3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde (115437-27-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 67 percent / sodium azide / dimethylsulfoxide / 1 h / 60 °C

2: 82 percent / CH₂Cl₂ / 16 h / Ambient temperature

With sodium azide; In dichloromethane; dimethyl sulfoxide;

DOI:10.1021/jo00255a003

Reference yield: 77.0%

3-methyl-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole-4-carboxaldehyde (115437-27-9) + 4-nitrophenylhydrazone (100-16-3) → C35H29N6O2P (115437-28-0)

Guidance literature:

With acetic acid; In ethanol; for 2h; Ambient temperature;

DOI:10.1021/jo00255a003

upstream raw materials:

5-azido-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde

triphenylphosphine

5-chloro-4-formyl-3-methyl-1-phenyl-1H-pyrazole

Downstream raw materials:

C₃₁H₂₈N₅O₄P

3-methyl-4-(2-nitrovinyl)-1-phenyl-5-<(triphenylphosphoranyliden)amino>-1H-pyrazole

5-(4-Chloro-phenyl)-3-methyl-1-phenyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-6-one

3-Methyl-1,5-diphenyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-6-one

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