5,8-DibroMo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline

Base Information

• Chemical Name: 5,8-DibroMo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline
• CAS No.: 1416047-42-1
• Molecular Formula: C₃₂H₃₄Br₂F₂N₂O₂
• Molecular Weight: 676.439
• Mol file: 1416047-42-1.mol

Synonyms:5,8-DibroMo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline

Chemical Property of 5,8-DibroMo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline

Chemical Property:

Purity/Quality:

≥95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5,8-DibroMo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline

There total 9 articles about 5,8-DibroMo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline 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: 59.0%

3,6-dibromo-4,5-difluoro-1,2-phenylenediamine (1345627-73-7) + 1,2-bis(3-(hexyloxy)phenyl)ethane-1,2-dione (1416047-41-0) → 5,8-dibromo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline (1416047-42-1)

Guidance literature:

3,6-dibromo-4,5-difluoro-1,2-phenylenediamine; With acetic acid; at 50 ℃; for 4h;

1,2-bis(3-(hexyloxy)phenyl)ethane-1,2-dione; for 8h; Reflux;

DOI:10.1021/jacs.5b06710

Reference yield:

1-bromo-hexane (111-25-1) → 5,8-dibromo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline (1416047-42-1)

Guidance literature:

Multi-step reaction with 3 steps

1.1: potassium hydroxide / N,N-dimethyl-formamide / 90 °C / Inert atmosphere

2.1: n-butyllithium / tetrahydrofuran; hexane / -78 °C / Inert atmosphere

2.3: 2 h

3.1: acetic acid / 4 h / 50 °C

3.2: 8 h / Reflux

With n-butyllithium; acetic acid; potassium hydroxide; In tetrahydrofuran; hexane; N,N-dimethyl-formamide;

DOI:10.1021/jacs.5b06710

Reference yield:

ortho-difluorobenzene (367-11-3) → 5,8-dibromo-6,7-difluoro-2,3-bis(3-hexyloxyphenyl)quinoxaline (1416047-42-1)

Guidance literature:

Multi-step reaction with 5 steps

1.1: n-butyllithium; diisopropylamine / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere

1.2: 1 h / -78 °C

2.1: bromine / 0 °C

3.1: nitric acid; trifluorormethanesulfonic acid / 2.5 h / 0 - 70 °C

4.1: iron; acetic acid / 4 h / 45 °C

5.1: acetic acid / 4 h / 50 °C

5.2: 8 h / Reflux

With n-butyllithium; trifluorormethanesulfonic acid; bromine; nitric acid; iron; acetic acid; diisopropylamine; In tetrahydrofuran; hexane;

DOI:10.1021/jacs.5b06710

upstream raw materials:

1,4-dibromo-2,3-difluoro-5,6-dinitrobenzene

1,2-bis(3-(hexyloxy)phenyl)ethane-1,2-dione

3-Bromophenol

1-bromo-hexane

Downstream raw materials:

C₄₀H₄₀F₂N₂O₂S₂

5,8-bis(5-bromothiophen-2-yl)-6,7-difluoro-2,3-bis(3-(hexyloxy)phenyl)quinoxaline

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