2,3-Dichloro-6,7-dimethylquinoxaline

Base Information

• Chemical Name: 2,3-Dichloro-6,7-dimethylquinoxaline
• CAS No.: 63810-80-0
• Molecular Formula: C₁₀H₈Cl₂N₂
• Molecular Weight: 227.093
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID80399227
• Nikkaji Number: J3.051.536F
• Wikidata: Q82201633
• ChEMBL ID: CHEMBL1466291
• Mol file: 63810-80-0.mol

Synonyms:2,3-dichloro-6,7-dimethylquinoxaline;63810-80-0;EUROPIUMSULFIDE;Quinoxaline,2,3-dichloro-6,7-dimethyl-;MLS000516582;SCHEMBL121241;CHEMBL1466291;DTXSID80399227;NKBSIBTVPNHSIK-UHFFFAOYSA-N;HMS2744L17;MFCD00772734;AKOS000267434;AB92823;2,3-dichloro-6,7-dimethyl quinoxaline;2,3-dichloro-6,7-dimethyl-quinoxaline;AS-35681;SMR000342715;CS-0152883;FT-0609543;EN300-6476791;A923182;J-506927;Z56894143

Chemical Property of 2,3-Dichloro-6,7-dimethylquinoxaline

Chemical Property:

• Vapor Pressure: 0.000971mmHg at 25°C
• Refractive Index: 1.636
• Boiling Point: 312.4 °C at 760 mmHg
• Flash Point: 171.8 °C
• PSA: 25.78000
• Density: 1.364 g/cm³
• LogP: 3.55340
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• XLogP3: 3.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 226.0064537
• Heavy Atom Count: 14
• Complexity: 190

Purity/Quality:

97% ^*data from raw suppliers

2,3-Dichloro-6,7-dimethylquinoxaline ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC2=C(C=C1C)N=C(C(=N2)Cl)Cl

Technology Process of 2,3-Dichloro-6,7-dimethylquinoxaline

There total 4 articles about 2,3-Dichloro-6,7-dimethylquinoxaline 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: 94.0%

6,7-dimethyl-1,4-dihydroquinoxaline-2,3-dione (2474-50-2) → 2,3-dichloro-6,7-dimethylquinoxaline (63810-80-0)

Guidance literature:

With N,N-dimethyl-aniline; trichlorophosphate; for 8h; Heating;

DOI:10.1016/S0968-0896(97)10032-3

Reference yield:

4,5-dimethyl-1,2-phenylenediamine (3171-45-7) → 2,3-dichloro-6,7-dimethylquinoxaline (63810-80-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 98 percent / 2N HCl / 0.5 h / 100 °C

2: 93 percent / POCl₃ / 4 h / Heating

With hydrogenchloride; trichlorophosphate; 1: cyclocondensation / 2: Chlorination;

DOI:10.1021/jo9918448

Reference yield:

2.3-Dihydroxy-6.7-dimethyl-chinoxalin (2474-50-2) → 2,3-dichloro-6,7-dimethylquinoxaline (63810-80-0)

Guidance literature:

With N,N-dimethyl-formamide; trichlorophosphate; In toluene; at 110 ℃; for 1h;

DOI:10.1002/jhet.3224

upstream raw materials:

6,7-dimethyl-1,4-dihydroquinoxaline-2,3-dione

4,5-dimethyl-1,2-phenylenediamine

2.3-Dihydroxy-6.7-dimethyl-chinoxalin

Downstream raw materials:

6,7-dimethyl-3-phenyl-3H-thiazolo[4,5-b]quinoxalin-3-ylideneamine

(6,7-dimethyl-thiazolo[4,5-b]quinoxalin-2-yl)-phenyl-amine

2,3-dimethoxy-6,7-dimethylquinoxaline

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