Benzo[1,2-b:5,4-b']bis[1]benzothiophene

Base Information

• Chemical Name: Benzo[1,2-b:5,4-b']bis[1]benzothiophene
• CAS No.: 241-37-2
• Molecular Formula: C18H10S2
• Molecular Weight: 290.4
• Mol file: 241-37-2.mol

Synonyms:Benzo[1,2-b:5,4-b']bis[1]benzothiophene

Chemical Property of Benzo[1,2-b:5,4-b']bis[1]benzothiophene

Chemical Property:

• Melting Point: 220 °C(Solv: benzene (71-43-2))
• Boiling Point: 522.2±23.0 °C(Predicted)
• PSA: 56.48000
• Density: 1.417±0.06 g/cm3(Predicted)
• LogP: 6.42240

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Benzo[1,2-b:5,4-b']bis[1]benzothiophene

There total 3 articles about Benzo[1,2-b:5,4-b']bis[1]benzothiophene 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: 96.0%

2,2'',4',6'-tetrafluoro-1,1':3',1''-terphenyl → dibenzo[d,d']benzo[1,2-b;5,4-b']dithiophene (241-37-2)

Guidance literature:

With N,N,N,N,N,N-hexamethylphosphoric triamide; tetrabutylammomium bromide; at 180 ℃; for 3h; Microwave irradiation;

DOI:10.1021/acs.joc.1c01565

Reference yield:

1,3-diphenylbenzene (92-06-8) → dibenzo[d,d']benzo[1,2-b;5,4-b']dithiophene (241-37-2)

Guidance literature:

With sulfur; at 200 ℃; Erh_. mit Aluminiumchlorid bis auf 260grad;

Reference yield:

→ dibenzo[d,d']benzo[1,2-b;5,4-b']dithiophene (241-37-2)

Guidance literature:

Dichlormethylmethylether, SnCl4, Methanderivat (9);

upstream raw materials:

1,3-diphenylbenzene

Refernces