2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile

Base Information

• Chemical Name: 2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile
• CAS No.: 475579-70-5
• Molecular Formula: C₂₁H₁₄N₂O₃
• Molecular Weight: 342.354
• Mol file: 475579-70-5.mol

Synonyms:2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile

Chemical Property of 2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile

There total 3 articles about 2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile 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: 95.0%

2-hydroxynaphtho-1,4-quinone (83-72-7) + 4-methyl-benzaldehyde (104-87-0) + malononitrile (109-77-3) → 2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile (475579-70-5)

Guidance literature:

With magnetic Co^II(macrocyclic Schiff base ligand) immobilized on Fe₃O₄ nanoparticles; In neat (no solvent); at 100 ℃; for 0.216667h;

DOI:10.1002/aoc.5769

Reference yield: 83.0%

2-hydroxynaphtho-1,4-quinone (83-72-7) + 2-(4-methylbenzylidene)malononitrile (2826-25-7) → 2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile (475579-70-5)

Guidance literature:

In acetic acid; N,N-dimethyl-formamide; at 130 ℃; for 0.1h; Microwave irradiation;

DOI:10.1002/jhet.153

Reference yield:

→ 2-amino-5,10-dioxo-4-(4-methylphenyl)-5,10-dihydro-4H-benzo[g]benzopyran-3-carbonitrile (475579-70-5)

Guidance literature:

With N₂,N₈-bis(1H-tetrazol-5-yl)-6H,12H-5,11-methylenedibenzo[b,f][1,5]diazocin-2,8-dimethylamide; In ethanol; Reflux;

upstream raw materials:

2-hydroxynaphtho-1,4-quinone

2-(4-methylbenzylidene)malononitrile

4-methyl-benzaldehyde

malononitrile

Downstream raw materials:

4-(p-tolyl)-3,4-dihydro-2H-benzo[g]chromene-2,5,10-trione