5-Brom-2,3-diphenylbenzothiophen

Base Information

• Chemical Name: 5-Brom-2,3-diphenylbenzothiophen
• CAS No.: 23042-82-2
• Molecular Formula: C₂₀H₁₃BrS
• Molecular Weight: 365.293
• Mol file: 23042-82-2.mol

Synonyms:5-Brom-2,3-diphenylbenzothiophen

Chemical Property of 5-Brom-2,3-diphenylbenzothiophen

Chemical Property:

Purity/Quality:

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• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-Brom-2,3-diphenylbenzothiophen

There total 6 articles about 5-Brom-2,3-diphenylbenzothiophen 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: 80.0%

diphenyl acetylene (501-65-5) + 4-bromobenzenesulfonyl chloride (98-58-8) → 5-Brom-2,3-diphenylbenzothiophen (23042-82-2)

Guidance literature:

diphenyl acetylene; 4-bromobenzenesulfonyl chloride; With triphenylphosphine; In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; at 120 ℃; for 3h; Inert atmosphere; Schlenk technique;

With di-tert-butyl peroxide; In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; at 120 ℃; for 21h; Sealed tube;

DOI:10.1002/ejoc.201501439

Reference yield: 70.0%

2,3-diphenylbenzo[b]thiophene (22751-52-6) → 5-Brom-2,3-diphenylbenzothiophen (23042-82-2)

Guidance literature:

With bromine; In chloroform; at 0 ℃; for 12h;

DOI:10.1016/j.dyepig.2014.06.002

Reference yield: 42.0%

α-(4-Bromphenylsulfenyl)benzyl-phenyl-keton (84224-81-7) → 5-Brom-2,3-diphenylbenzothiophen (23042-82-2)

Guidance literature:

With phosphoric acid; phosphorus pentoxide; at 180 - 190 ℃; for 6h;

upstream raw materials:

α-(4-Bromphenylsulfenyl)benzyl-phenyl-keton

Desyl chloride

Benzo[b]thiophene

2,3-dibromobenzo[b]thiophene