2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one

Base Information

• Chemical Name: 2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one
• CAS No.: 119534-11-1
• Molecular Formula: C₃₀H₂₁N₅O₂
• Molecular Weight: 483.529

Synonyms:2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one

Chemical Property of 2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one

Chemical Property:

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Technology Process of 2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one

There total 3 articles about 2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-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: 75.0%

4,4-diazido-1,3-diphenyl-1H-pyrazol-5(4H)-one (77169-08-5) → 2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one (119534-11-1)

Guidance literature:

With palladium 10% on activated carbon; hydrogen; In dimethyl sulfoxide; at 20 ℃; for 24h; under 760.051 Torr;

DOI:10.1021/acs.joc.0c00465

Reference yield: 65.0%

1,3-diphenyl-5-oxo-4,5-dihydro-1H-pyrazole (4845-49-2) → 2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one (119534-11-1)

Guidance literature:

1,3-diphenyl-5-oxo-4,5-dihydro-1H-pyrazole; With sodium azide; iodine; In dimethyl sulfoxide; at 20 ℃; for 1.5h;

With sodium thiosulfate; In water; dimethyl sulfoxide; at 20 ℃; for 1h;

DOI:10.1021/acs.joc.0c00465

Reference yield:

→ 2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-azanylylidene-bis-pyrazol-3-one (119534-11-1)

Guidance literature:

entspr. Spiroverbindung VIIIa, Pd/C, Hydrierung;

upstream raw materials:

1,3-diphenyl-5-oxo-4,5-dihydro-1H-pyrazole

4,4-diazido-1,3-diphenyl-1H-pyrazol-5(4H)-one

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