2,2':5',2''-Bisepithio-1,1':4',1''-terbenzene

Base Information

• Chemical Name: 2,2':5',2''-Bisepithio-1,1':4',1''-terbenzene
• CAS No.: 241-34-9
• Molecular Formula: C18H10S2
• Molecular Weight: 290.409
• Mol file: 241-34-9.mol

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

Chemical Property of 2,2':5',2''-Bisepithio-1,1':4',1''-terbenzene

Chemical Property:

• Melting Point: 314 °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 2,2':5',2''-Bisepithio-1,1':4',1''-terbenzene

There total 17 articles about 2,2':5',2''-Bisepithio-1,1':4',1''-terbenzene 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: 93.0%

C18H10I2(2+)*2CF3O3S(1-) → benzo[1, 2-b: 4, 5-b']bis[b]benzothiophene (241-34-9)

Guidance literature:

With copper dichloride; potassium thioacetate; In dimethyl sulfoxide; at 100 ℃; for 24h; Inert atmosphere;

DOI:10.1002/ejoc.201600357

Reference yield: 81.0%

2,2',2'',5'-tetrafluoro-1,1':4',1''-terphenyl → benzo[1, 2-b: 4, 5-b']bis[b]benzothiophene (241-34-9)

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: 71.0%

2,3,6,7-tetrakis(trimethylsilylethynyl)benzo[1,2-b:4,5-b']dithiophene → benzo[1, 2-b: 4, 5-b']bis[b]benzothiophene (241-34-9)

Guidance literature:

With sodium hydroxide; sodium tetrahydroborate; hydrazine hydrate; tellurium; Aliquat 336; In benzene; at 45 ℃; for 6h;

DOI:10.1021/ol701815j

upstream raw materials:

[1,1';4',1'']terphenyl

1,2,3,4,7,8,9,10-octahydro-dibenzo[d,d']benzo[1,2-b;4,5-b']dithiophene

6,12-dichloro-1,2,3,4,7,8,9,10-octahydro-dibenzo[d,d']benzo[1,2-b;4,5-b']dithiophene

2,2'-p-phenylenedimercapto-bis-cyclohexanone

Refernces

• 1、 Ebata, Hideaki,Miyazaki, Eigo,Yamamoto, Tatsuya,Takimiya, Kazuo. "Synthesis, properties, and structures of benzo[1,2-b:4,5-b′]bis[b] benzothiophene and benzo[1,2-b:4,5-b′]bis[b]benzoselenophene". . p. 4499 - 4502. Retrieved 2007.
• 2、 Akhmetov, Vladimir,Amsharov, Konstantin Yu,Feofanov, Mikhail,Takayama, Ryo. "Facile Synthesis of Thienoacenes via Transition-Metal-Free Ladderization". . p. 14759 - 14766. Retrieved 2021/11/12.
• 3、 -. "ORGANIC LIGHT COMPOUND AND ORGANIC LIGHT DEVICE USING THE SAME". . . Retrieved 2020/02/28.