1,4-bis[5-(1,2-dimethoxy-4-phenyl)-3-methyl-2-thienyl]-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

Base Information

Chemical Name:1,4-bis[5-(1,2-dimethoxy-4-phenyl)-3-methyl-2-thienyl]-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene
CAS No.:1049822-92-5
Molecular Formula:C₆₂H₇₄O₄S₄Si₂
Molecular Weight:1067.7
Hs Code.:

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

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

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

There total 4 articles about 1,4-bis[5-(1,2-dimethoxy-4-phenyl)-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: 42.0%

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

: 122775-35-3
3,4-Dimethoxyphenylboronic acid

: 1049822-92-5
1,4-bis[5-(1,2-dimethoxy-4-phenyl)-3-methyl-2-thienyl]-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In tetrahydrofuran; water; for 20h; Inert atmosphere; Reflux;
DOI:10.1021/ol801828n

Reference yield:

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

: 1049822-92-5
1,4-bis[5-(1,2-dimethoxy-4-phenyl)-3-methyl-2-thienyl]-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

Guidance literature:: Multi-step reaction with 4 steps

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

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

3.1: n-butyllithium; N,N,N,N,-tetramethylethylenediamine / tetrahydrofuran; hexane / 0.5 h / 0 °C / Inert atmosphere

3.2: 0 - 20 °C / Inert atmosphere

4.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate / tetrahydrofuran; water / Inert atmosphere; Reflux

With bis-triphenylphosphine-palladium(II) chloride; N-Bromosuccinimide; copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; N,N,N,N,-tetramethylethylenediamine; potassium carbonate; acetic acid; triethylamine; In tetrahydrofuran; hexane; water;
DOI:10.1055/s-0030-1260086

Reference yield:

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

: 1049822-92-5
1,4-bis[5-(1,2-dimethoxy-4-phenyl)-3-methyl-2-thienyl]-2,5-bis(5-triisopropylsilylethynyl-2-thienyl)benzene

Guidance literature:: Multi-step reaction with 3 steps

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

2.1: n-butyllithium; N,N,N,N,-tetramethylethylenediamine / tetrahydrofuran; hexane / 0.5 h / 0 °C / Inert atmosphere

2.2: 0 - 20 °C / Inert atmosphere

3.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate / tetrahydrofuran; water / Inert atmosphere; Reflux

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; N,N,N,N,-tetramethylethylenediamine; potassium carbonate; triethylamine; In tetrahydrofuran; hexane; water;
DOI:10.1055/s-0030-1260086