3-BROMOTHIENO[3,2-B]THIOPHENE

Base Information

• Chemical Name: 3-BROMOTHIENO[3,2-B]THIOPHENE
• CAS No.: 25121-83-9
• Molecular Formula: C6H3BrS2
• Molecular Weight: 219.126
• Hs Code.: 2934999090
• Mol file: 25121-83-9.mol

Synonyms:3-Bromo-thieno<3,2-b>thiophen;3-Brom-thieno<3,2-b>thiophen;3-BroMothieno[3,2-b]thiophene;

Chemical Property of 3-BROMOTHIENO[3,2-B]THIOPHENE

Chemical Property:

• Vapor Pressure: 0.004mmHg at 25°C
• Refractive Index: 1.6850-1.6890
• Boiling Point: 287.952oC at 760 mmHg
• Flash Point: 127.949oC
• PSA: 56.48000
• Density: 1.69
• LogP: 3.72530
• Storage Temp.: Refrigerator

Purity/Quality:

≥99% ^*data from raw suppliers

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

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-BROMOTHIENO[3,2-B]THIOPHENE

There total 10 articles about 3-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: 89.0%

6-bromothieno[3,2-b]thiophene-2-carboxylic acid (125493-06-3) → 3-bromothieno<3,2-b>thiophene (25121-83-9)

Guidance literature:

With silver(I) acetate; potassium carbonate; In 1-methyl-pyrrolidin-2-one; at 120 ℃; for 3h;

Reference yield: 88.0%

4-bromo-3-(t-butylsulfanyl)-2-ethynylthiophene (1391908-42-1) → 3-bromothieno<3,2-b>thiophene (25121-83-9)

Guidance literature:

With gold(I) chloride; In 1,4-dioxane; water; at 20 ℃; for 3h; Inert atmosphere;

DOI:10.1246/bcsj.20100345

Reference yield: 83.0%

3-bromo-4-(2,2-diethoxy-ethylsulfanyl)thiophene (1173058-51-9) → 3-bromothieno<3,2-b>thiophene (25121-83-9)

Guidance literature:

With Amberlyst 15; In diethyl ether; for 10h; Reflux;

DOI:10.1021/ol9010745

upstream raw materials:

2,3,5-tribromothieno[3,2-b]thiophene

6-bromothieno[3,2-b]thiophene-2-carboxylic acid

(4-Bromo-thiophen-3-ylsulfanyl)-acetic acid methyl ester

(4-Bromo-2-formyl-thiophen-3-ylsulfanyl)-acetic acid methyl ester

Downstream raw materials:

C₂₂H₁₂S₄

C₂₂H₂F₁₀S₄