2,3-Quinoxalinedione,1,4-dihydro-1-methyl-(6CI,7CI,9CI)

Base Information

• Chemical Name: 2,3-Quinoxalinedione,1,4-dihydro-1-methyl-(6CI,7CI,9CI)
• CAS No.: 20934-51-4
• Molecular Formula: C9H8N2O2
• Molecular Weight: 176.175
• Hs Code.: 2933990090
• Mol file: 20934-51-4.mol

Synonyms:2,3-Quinoxalinedione,1,4-dihydro-1-methyl-(6CI,7CI,9CI);1-METHYL-1,4-DIHYDROQUINOXALINE-2,3-DIONE;1-methyl-1,4-dihydro-2,3-quinoxalinedione(SALTDATA: FREE);1-Methylquinoxaline-2,3(1H,4H)-dione

Chemical Property of 2,3-Quinoxalinedione,1,4-dihydro-1-methyl-(6CI,7CI,9CI)

Chemical Property:

• Melting Point: 281-283 °C
• Refractive Index: 1.585
• PKA: 10.23±0.20(Predicted)
• PSA: 54.86000
• Density: 1.292g/cm³
• LogP: 0.22680

Purity/Quality:

97% ^*data from raw suppliers

1-Methyl-1,4-dihydroquinoxaline-2,3-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T
• Hazard Codes: T
• Statements: 25
• Safety Statements: 45

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3-Quinoxalinedione,1,4-dihydro-1-methyl-(6CI,7CI,9CI)

There total 21 articles about 2,3-Quinoxalinedione,1,4-dihydro-1-methyl-(6CI,7CI,9CI) 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: 91.0%

1-methyl-2(1H)-quinoxalinone (6479-18-1) → N-Methyl-1,4-dihydro-2,3-quinoxalinedione (20934-51-4)

Guidance literature:

With ammonium peroxydisulfate; TPGS-750-M; In water; at 60 ℃; for 12h; Reagent/catalyst; Solvent; Temperature;

DOI:10.1002/adsc.201901163

Reference yield: 82.0%

N-methyl-1,2-phenylenediamine (4760-34-3) → N-Methyl-1,4-dihydro-2,3-quinoxalinedione (20934-51-4)

Guidance literature:

In 1,2-dichloro-benzene;

Reference yield: 74.0%

1-methyl-pyrrolidin-2-one (872-50-4,26138-58-9) + 1-methyl-2(1H)-quinoxalinone (6479-18-1) → N-Methyl-1,4-dihydro-2,3-quinoxalinedione (20934-51-4) + 1-methyl-3-(1-methyl-5-oxopyrrolidin-2-yl)quinoxalin-2(1H)-one

Guidance literature:

With dipotassium peroxodisulfate; oxygen; In water; at 20 ℃; for 24h; Irradiation; Schlenk technique;

DOI:10.1039/d1gc02107a

upstream raw materials:

oxalic acid

N-methyl-1,2-phenylenediamine

oxalic acid diethyl ester

1-carboxymethyl-1,2,3,4-tetrahydroquinoxaline-3-one

Downstream raw materials:

1,4-dimethylquinoxaline-2,3(1H,4H)-dione

2,3-dichloroquinoxaline

1-methyl-3-piperazin-1-yl-1H-quinoxalin-2-one

1-methyl-3-phenoxy-1H-quinoxalin-2-one