5,6-Bis(4-methylphenyl)pyrazine-2,3-dicarbonitrile

Base Information

• Chemical Name: 5,6-Bis(4-methylphenyl)pyrazine-2,3-dicarbonitrile
• CAS No.: 52197-13-4
• Molecular Formula: C20H14N4
• Molecular Weight: 310.358
• NSC Number: 174794
• DSSTox Substance ID: DTXSID50306261
• Wikidata: Q82053262
• Mol file: 52197-13-4.mol

Synonyms:52197-13-4;5,6-Di-p-tolylpyrazine-2,3-dicarbonitrile;5,6-bis(4-methylphenyl)pyrazine-2,3-dicarbonitrile;NSC174794;SCHEMBL2681245;DTXSID50306261;NSC-174794

Chemical Property of 5,6-Bis(4-methylphenyl)pyrazine-2,3-dicarbonitrile

Chemical Property:

• Vapor Pressure: 3.77E-09mmHg at 25°C
• Boiling Point: 473.9°Cat760mmHg
• Flash Point: 150°C
• Density: 1.26g/cm³
• XLogP3: 3.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 310.121846464
• Heavy Atom Count: 24
• Complexity: 462

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC=C(C=C1)C2=NC(=C(N=C2C3=CC=C(C=C3)C)C#N)C#N

Technology Process of 5,6-Bis(4-methylphenyl)pyrazine-2,3-dicarbonitrile

There total 5 articles about 5,6-Bis(4-methylphenyl)pyrazine-2,3-dicarbonitrile 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: 78.0%

4,4'-dimethylbenzoin (1218-89-9) + 1,2-diamino-1,2-dicyanoethylene (54848-44-1) → 5,6-dip-tolylpyrazine-2,3-dicarbonitrile (52197-13-4)

Guidance literature:

With γ-maghemite-silica nanocomposite; In neat (no solvent); at 55 ℃; for 6h; Green chemistry;

DOI:10.1016/j.catcom.2013.06.026

Reference yield: 76.0%

1,2-di(4-methylphenyl)-1,2-ethanedione (3457-48-5) + diaminomaleonitrile (1187-42-4) → 5,6-dip-tolylpyrazine-2,3-dicarbonitrile (52197-13-4)

Guidance literature:

With acetic acid; In ethanol; water; for 29h; Heating / reflux;

Reference yield: 75.0%

1,2-di(4-methylphenyl)-1,2-ethanedione (3457-48-5) + 2,3-diaminomaleonitrile (18514-52-8) → 5,6-dip-tolylpyrazine-2,3-dicarbonitrile (52197-13-4)

Guidance literature:

In neat (no solvent); at 20 ℃; for 6h; Green chemistry;

DOI:10.2174/1570178614666170609072519

upstream raw materials:

1,2-di(4-methylphenyl)-1,2-ethanedione

diaminomaleonitrile

1,2-diamino-1,2-dicyanoethylene

4,4'-dimethylbenzoin

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