3,3'-DIMETHYL-2,2'-BITHIOPHENYL

Base Information

• Chemical Name: 3,3'-DIMETHYL-2,2'-BITHIOPHENYL
• CAS No.: 67984-20-7
• Molecular Formula: C10H10S2
• Molecular Weight: 194.32
• Hs Code.: 29309099
• Mol file: 67984-20-7.mol

Synonyms:3,3'-Dimethyl-2,2'-bithiophene;3,3'-Dimethyl-2,2'-bithiophenyl,98%;3,3-Dimethyl-2,2''-bithiopheny;

Chemical Property of 3,3'-DIMETHYL-2,2'-BITHIOPHENYL

Chemical Property:

• Refractive Index: 1.618-1.62
• Boiling Point: 244.9 °C at 760 mmHg
• Flash Point: 73.3 °C
• PSA: 56.48000
• Density: 1.169 g/cm³
• LogP: 4.09340
• Storage Temp.: Refrigerator (+4°C)

Purity/Quality:

99% ^*data from raw suppliers

3,3'-Dimethyl-2,2'-bithiophene 95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 22-36
• Safety Statements: 24/25

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,3'-DIMETHYL-2,2'-BITHIOPHENYL

There total 1 articles about 3,3'-DIMETHYL-2,2'-BITHIOPHENYL 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: 58.0%

3-methyl-2-thienylmagnesium iodide (126507-27-5) + 5-chloro-2-iodo-3-phenylthiophene (143203-11-6) → 3,3'-dimethyl-[2,2']bithiophenyl (67984-20-7) + 5-chloro-3'-methyl-3-phenyl-2,2'-bithiophene (158837-36-6)

Guidance literature:

With bis(acetylacetonate)nickel(II); In diethyl ether; benzene; for 1h; Heating;

DOI:10.1246/bcsj.67.2187

Reference yield: 50.0%

3,3'-dimethyl-[2,2']bithiophenyl (67984-20-7) + mesytaldehyde (487-68-3) → 3,3'-dimethyl-5,5'-bis(mesitylhydroxymethyl)-2,2'-bithiophene

Guidance literature:

With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; hexane; at 0 - 25 ℃;

DOI:10.1021/jo025788d

Reference yield: 45.0%

3,3'-dimethyl-[2,2']bithiophenyl (67984-20-7) + 1,3,5-trimethyl-benzene (108-67-8) → 3,3’-dimethyl-5-(2,4,6-trimethylphenyl)-2,2’-bithiophene (1015256-07-1)

Guidance literature:

With boron trifluoride diethyl etherate; bis-[(trifluoroacetoxy)iodo]benzene; In dichloromethane; cooling;

DOI:10.1002/anie.200704495

upstream raw materials:

3-methyl-2-thienylmagnesium iodide

5-chloro-2-iodo-3-phenylthiophene

Downstream raw materials:

3,3’-dimethyl-5-(2,4,6-trimethylphenyl)-2,2’-bithiophene

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