2-Bromothieno[3,2-b]thiophene

Base Information

• Chemical Name: 2-Bromothieno[3,2-b]thiophene
• CAS No.: 25121-82-8
• Molecular Formula: C6H3BrS2
• Molecular Weight: 219.126
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID20481978
• Nikkaji Number: J150.314F
• Wikidata: Q72512976
• Mol file: 25121-82-8.mol

Synonyms:2-Bromothieno[3,2-b]thiophene;25121-82-8;5-bromothieno[3,2-b]thiophene;Thieno[3,2-b]thiophene, 2-bromo-;2-BROMOTHIENO(3,2-B)THIOPHENE;2-Bromothieno[3,2-b]thiophen;SCHEMBL5237137;2-bromothieno-[3,2-b]thiophene;5-bromothieno[3, 2-b]thiophene;DTXSID20481978;2-Bromo-Thieno[3,2-b]Thiophene;AMY10932;AKOS015835872;SB67010;AC-27452;CS-0254948;FT-0748509;E84326;W-202053

Chemical Property of 2-Bromothieno[3,2-b]thiophene

Chemical Property:

• Vapor Pressure: 0.004mmHg at 25°C
• Boiling Point: 287.952oC at 760 mmHg
• Flash Point: 127.949oC
• PSA: 56.48000
• Density: 1.846g/cm3
• LogP: 3.72530
• Storage Temp.: 2-8°C(protect from light)
• XLogP3: 3.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 217.88596
• Heavy Atom Count: 9
• Complexity: 118

Purity/Quality:

99%, ^*data from raw suppliers

2-Bromothieno[3,2-b]thiophene 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CSC2=C1SC(=C2)Br

Technology Process of 2-Bromothieno[3,2-b]thiophene

There total 1 articles about 2-Bromothieno[3,2-b]thiophene 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: 81.0%

thieno[3,2-b]thiophene (251-41-2) → 2-bromo-thieno[3,2-b]thiophene (25121-82-8)

Guidance literature:

With N-Bromosuccinimide; acetic acid; at 20 ℃; for 2h;

DOI:10.3390/molecules23092229

Reference yield: 90.0%

2-bromo-thieno[3,2-b]thiophene (25121-82-8) + 2-phenyl-4,4,5,5-tetramethyl-1,3,2-dioxoborole (24388-23-6) → 2-phenylthieno<3,2-b>thiophene (35022-09-4)

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In water; toluene; at 120 ℃; for 12h; Inert atmosphere;

Reference yield:

2-bromo-thieno[3,2-b]thiophene (25121-82-8) + aniline (62-53-3) → C12H9NS2

Guidance literature:

With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tri-tert-butyl phosphine; sodium t-butanolate; In toluene; at 100 ℃;

upstream raw materials:

thieno[3,2-b]thiophene

Downstream raw materials:

2-phenylthieno<3,2-b>thiophene