Benzo[1,2-b:3,4-b']dithiophene

Base Information

• Chemical Name: Benzo[1,2-b:3,4-b']dithiophene
• CAS No.: 211-02-9
• Molecular Formula: C₁₀H₆S₂
• Molecular Weight: 190.29
• Mol file: 211-02-9.mol

Synonyms:

Chemical Property of Benzo[1,2-b:3,4-b']dithiophene

Chemical Property:

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Benzo[1,2-b:3,4-b']dithiophene

There total 20 articles about Benzo[1,2-b:3,4-b']dithiophene 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: 92.0%

C10H6Br2S2 (70259-69-7) → Benzo<1,2-b:3,4-b'>dithiophen (211-02-9)

Guidance literature:

With magnesium; at 650 ℃; Pyrolysis;

DOI:10.1039/c4ra15004j

Reference yield: 70.0%

C24H22N4O4S4 → Benzo<1,2-b:3,4-b'>dithiophen (211-02-9)

Guidance literature:

With chloro[(2’,4’,6’-triisopropyl-[1,1’-biphenyl]-2-yl)di-tert-butylphosphine]gold(I); sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate; lithium tert-butoxide; In 1,2-dichloro-ethane; for 12h; chemoselective reaction; Reflux; Sealed tube; Inert atmosphere;

DOI:10.1002/chem.201502073

Reference yield: 69.0%

(Z)-1,2-bis(3-bromothiophen-2-yl)ethene (40033-68-9) → benzo[1,2-b;4,3-b']dithiophene (210-80-0) + Benzo<1,2-b:3,4-b'>dithiophen (211-02-9)

Guidance literature:

With magnesium; at 650 ℃; Pyrolysis;

DOI:10.1039/c4ra15004j

upstream raw materials:

1,3-bis-(2,2-dimethoxy-ethylsulfanyl)-benzene

<5-(3)H>-dithieno<1,2-b:3,4-b'>benzene

<4-(3)H>-dithieno<1,2-b:3,4-b'>benzene

<7,8-(3)H2>-dithieno<1,2-b:3,4-b'>benzene

Refernces

• 1、 Aitken, R. Alan,Oyewale, Adebayo O.. "Unexpected rearrangement during the gas-phase dehalogenation approach to benzodithiophenes". . p. 19379 - 19381. Retrieved 2015/04/14.
• 2、 Archer, William J.,Cook, Robert,Taylor, Roger. "Electrophilic Aromatic Substitution. Part 34. Partial Rate Factors for Detritiation of Dithienobenzene, Dithienobenzene, and Dithienobenzene". . p. 813 - 820. Retrieved 2007/10/02.