1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

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Chemical Name:1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene
CAS No.:1049822-82-3
Molecular Formula:C₄₆H₅₈S₄Si₂
Molecular Weight:795.402
Hs Code.:

Synonyms:1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

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Chemical Property of 1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

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Technology Process of 1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

There total 2 articles about 1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene 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: 90.0%

: 1049822-46-9
1,4-bis(5-bromo-2-thienyl)-2,5-bis(3-methyl-2-thienyl)benzene

: 89343-06-6
tris-iso-propylsilyl acetylene

: 1049822-82-3
1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In tetrahydrofuran; at 20 ℃; for 3h; Inert atmosphere;
DOI:10.1021/ol801828n

Reference yield:

: 1049822-44-7
1,4-bis(3-methyl-2-thienyl)-2,5-bis(2-thienyl)benzene

: 1049822-82-3
1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

Guidance literature:: Multi-step reaction with 2 steps

1: N-Bromosuccinimide; acetic acid / 168 h / 20 °C / Inert atmosphere; Darkness

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / tetrahydrofuran / 20 °C / Inert atmosphere

With bis-triphenylphosphine-palladium(II) chloride; N-Bromosuccinimide; copper(l) iodide; acetic acid; triethylamine; In tetrahydrofuran;
DOI:10.1055/s-0030-1260086

Reference yield: 86.0%

: 1049822-82-3
1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

: 1049822-88-9
1,4-bis(5-iodo-3-methyl-2-thenyl)-2,5-bis{5-[(triisopropylsilyl)ethynyl]-2-thienyl}benzene

Guidance literature:: 1,4-bis(3-methyl-2-thienyl)-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene; With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; hexane; at 0 ℃; for 0.5h;

With iodine; In tetrahydrofuran; hexane; at 0 - 20 ℃;
DOI:10.1021/ol801828n