2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]quinoxaline

Base Information

• Chemical Name: 2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]quinoxaline
• CAS No.: 1359972-90-9
• Molecular Formula: C₄₀H₄₁N₅S₂
• Molecular Weight: 655.931
• Mol file: 1359972-90-9.mol

Synonyms:

Chemical Property of 2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]quinoxaline

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]quinoxaline

There total 7 articles about 2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]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:

2-dodecyl-4,7-di(thiophen-2-yl)-2H-benzo[d][1,2,3]triazole-5,6-diamine (1359972-89-6) + benzil (134-81-6) → 2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]quinoxaline (1359972-90-9)

Guidance literature:

With toluene-4-sulfonic acid; In ethanol; at 0 ℃; Reflux;

DOI:10.1039/c2jm16171k

Reference yield:

1,2,3-Benzotriazole (95-14-7,27556-51-0) → 2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]quinoxaline (1359972-90-9)

Guidance literature:

Multi-step reaction with 6 steps

1: potassium tert-butylate / ethanol

2: hydrogen bromide; bromine

3: sulfuric acid; nitric acid / 3 h / 0 - 20 °C

4: bis(triphenylphosphine)palladium(II) dichloride / tetrahydrofuran / 19 h / 100 °C / Inert atmosphere

5: iron / acetic acid / 50 °C

6: toluene-4-sulfonic acid / ethanol / 0 °C / Reflux

With bis(triphenylphosphine)palladium(II) dichloride; sulfuric acid; potassium tert-butylate; hydrogen bromide; bromine; nitric acid; iron; toluene-4-sulfonic acid; In tetrahydrofuran; ethanol; acetic acid; 4: Stille coupling;

DOI:10.1039/c2jm16171k

Reference yield:

2-dodecyl-2H-benzo[d][1,2,3]triazole (71800-82-3) → 2-dodecyl-6,7-diphenyl-4,9-di(thiophen-2-yl)-2H-[1,2,3]triazolo[4,5-g]quinoxaline (1359972-90-9)

Guidance literature:

Multi-step reaction with 5 steps

1: hydrogen bromide; bromine

2: sulfuric acid; nitric acid / 3 h / 0 - 20 °C

3: bis(triphenylphosphine)palladium(II) dichloride / tetrahydrofuran / 19 h / 100 °C / Inert atmosphere

4: iron / acetic acid / 50 °C

5: toluene-4-sulfonic acid / ethanol / 0 °C / Reflux

With bis(triphenylphosphine)palladium(II) dichloride; sulfuric acid; hydrogen bromide; bromine; nitric acid; iron; toluene-4-sulfonic acid; In tetrahydrofuran; ethanol; acetic acid; 3: Stille coupling;

DOI:10.1039/c2jm16171k

upstream raw materials:

1,2,3-Benzotriazole

2-dodecyl-2H-benzo[d][1,2,3]triazole

4,7-dibromo-2-dodecyl-2H-benzo[d][1,2,3]triazole

4,7-dibromo-2-dodecyl-5,6-dinitro-2H-benzo[d][1,2,3]triazole