2,3-DIHYDROXY-6,7-DIMETHOXYQUINOXALINE

Base Information

• Chemical Name: 2,3-DIHYDROXY-6,7-DIMETHOXYQUINOXALINE
• CAS No.: 4784-02-5
• Molecular Formula: C₁₀H₁₀N₂O₄
• Molecular Weight: 222.2
• Mol file: 4784-02-5.mol

Synonyms:6,7-Dimethoxy-1,4-dihydro-2,3-quinoxalinedione monohydrate, 98%;2,3-Dihydroxy-6,7-dimethoxyquinoxaline;

Chemical Property of 2,3-DIHYDROXY-6,7-DIMETHOXYQUINOXALINE

Chemical Property:

• Vapor Pressure: 1.36E-10mmHg at 25°C
• Melting Point: 350-354 °C
• Refractive Index: 1.552
• Boiling Point: 499.3 °C at 760 mmHg
• Flash Point: 255.8 °C
• PSA: 84.70000
• Density: 1.312 g/cm³
• LogP: 1.05820
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

6,7-Dimethoxyquinoxaline-2,3(1H,4H)-dione 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3-DIHYDROXY-6,7-DIMETHOXYQUINOXALINE

There total 6 articles about 2,3-DIHYDROXY-6,7-DIMETHOXYQUINOXALINE 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: 82.0%

oxalic acid (144-62-7,97993-78-7) + 4,5-dimethoxybenzene-1,2-diamine (27841-33-4) → 6,7-dimethoxy-1,4-dihydro-quinoxaline-2,3-dione (4784-02-5)

Guidance literature:

With hydrogenchloride; Heating;

DOI:10.1016/0040-4039(95)01562-V

Reference yield:

4,5-dimethoxy-1,2-dinitrobenzene (3395-03-7) + oxalic acid dihydrate (6153-56-6) → 6,7-dimethoxy-1,4-dihydro-quinoxaline-2,3-dione (4784-02-5)

Guidance literature:

palladium-carbon; In hydrogenchloride; ethyl acetate;

Reference yield:

1,2-dimethoxybenzene (91-16-7) → 6,7-dimethoxy-1,4-dihydro-quinoxaline-2,3-dione (4784-02-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 67 percent / 70percent HNO₃ / 80 °C

2: H₂ / Pd/C / ethyl acetate

3: 82 percent / 4M HCl / Heating

With hydrogenchloride; hydrogen; nitric acid; palladium on activated charcoal; In ethyl acetate;

DOI:10.1016/0040-4039(95)01562-V

upstream raw materials:

oxalic acid

4,5-dimethoxybenzene-1,2-diamine

1,2-dimethoxybenzene

4,5-dimethoxy-1,2-dinitrobenzene

Downstream raw materials:

2,3-Dichloro-6,7-dimethoxyquinoxaline