5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole

Base Information

• Chemical Name: 5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole
• CAS No.: 1293389-30-6
• Molecular Formula: C₃₀H₃₈F₂N₂S₃
• Molecular Weight: 560.84

Synonyms:5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole

Chemical Property of 5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole

Chemical Property:

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Technology Process of 5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole

There total 1 articles about 5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole 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:

2-amino-4,5-difluoroaniline (76179-40-3) → 5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole (1293389-30-6)

Guidance literature:

Multi-step reaction with 3 steps

1: thionyl chloride; triethylamine / chloroform / 5 h / Reflux

2: sulfuric acid; iodine / 24 h / 60 °C

3: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / toluene / 48 h / Inert atmosphere; Reflux

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; thionyl chloride; sulfuric acid; iodine; triethylamine; In chloroform; toluene;

DOI:10.1002/anie.201005451

Reference yield: 82.0%

5,6-difluoro-4,7-bis-(4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole (1293389-30-6) → 5,6-difluoro-4,7-bis-(5-bromo-4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole (1293389-31-7)

Guidance literature:

With N-Bromosuccinimide; In tetrahydrofuran; at 20 ℃; for 12.5h; Darkness;

DOI:10.1016/j.dyepig.2019.03.050

upstream raw materials:

2-amino-4,5-difluoroaniline

Downstream raw materials:

5,6-difluoro-4,7-bis-(5-bromo-4-(2-ethylhexyl)-2-thienyl)-2,1,3-benzothiadiazole

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