Dipyraphene

Base Information

• Chemical Name: Dipyraphene
• CAS No.: 3474-99-5
• Molecular Formula: C30H22N4O4
• Molecular Weight: 502.5201
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID40188295
• Nikkaji Number: J123.476E
• Wikidata: Q83060110
• Mol file: 3474-99-5.mol

Synonyms:Dipyraphene;Dipyrazolidinyl;Dipirazolidinile;3474-99-5;DA 381;Dipirazolidinile [Italian];1,1',2,2'-Tetraphenyl-(4,4'-bipyrazolidine)-3,3',5,5'-tetrone;BRN 0376754;(4,4'-BIPYRAZOLIDINE)-3,3',5,5'-TETRONE, 1,1',2,2'-TETRAPHENYL-;5-26-14-00531 (Beilstein Handbook Reference);[4,4'-Bipyrazolidine]-3,3',5,5'-tetrone, 1,1',2,2'-tetraphenyl-;4-(3,5-dioxo-1,2-diphenylpyrazolidin-4-yl)-1,2-diphenylpyrazolidine-3,5-dione;SCHEMBL23295127;DTXSID40188295;USKAVCMWCUTATL-UHFFFAOYSA-N;DA-381;AKOS040751604;LS-44601

Chemical Property of Dipyraphene

Chemical Property:

• Boiling Point: 645.6°Cat760mmHg
• Flash Point: 275.5°C
• PSA: 81.24000
• Density: 1.403g/cm³
• LogP: 4.46880
• XLogP3: 4.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 5
• Exact Mass: 502.16410520
• Heavy Atom Count: 38
• Complexity: 769

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)N2C(=O)C(C(=O)N2C3=CC=CC=C3)C4C(=O)N(N(C4=O)C5=CC=CC=C5)C6=CC=CC=C6

Technology Process of Dipyraphene

There total 5 articles about Dipyraphene 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:

tetraethyl ethane-1,1,2,2-tetracarboxylate (632-56-4) + diphenyl hydrazine (122-66-7) → 1,2,1',2'-Tetraphenyl-3,5,3'5'-tetraoxo-dipyrazolidinyl-(4,4') (3474-99-5)

Guidance literature:

With sodium ethanolate; at 150 - 160 ℃;

Reference yield:

1,2-diphenylpyrazolidine-3,5-dione (2652-77-9) → 1,2,1',2'-Tetraphenyl-3,5,3'5'-tetraoxo-dipyrazolidinyl-(4,4') (3474-99-5)

Guidance literature:

Reference yield:

4-bromo-1,2-diphenyl-pyrazolidine-3,5-dione (92439-61-7) → 1,2,1',2'-Tetraphenyl-3,5,3'5'-tetraoxo-dipyrazolidinyl-(4,4') (3474-99-5)

Guidance literature:

With sodium thiocyanide;

upstream raw materials:

1,2-diphenylpyrazolidine-3,5-dione

4-bromo-1,2-diphenyl-pyrazolidine-3,5-dione

tetraethyl ethane-1,1,2,2-tetracarboxylate

diphenyl hydrazine

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