2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole

Base Information

Chemical Name:2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole
CAS No.:1357396-39-4
Molecular Formula:C₈₂H₇₄Si
Molecular Weight:1087.58
Hs Code.:

Synonyms:2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole

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Chemical Property of 2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole

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Technology Process of 2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole

There total 5 articles about 2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole 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: 53.2%

: 872690-08-9
4,4'-(5-ethynyl-1,3-phenylene)bis(ethyne-2,1-diyl)bis(tert-butylbenzene)

: 686290-22-2
1,1-dimethyl-2,5-dibromo-3,4-diphenylsilole

: 1357396-39-4
2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine; zinc(II) chloride; In tetrahydrofuran; at 65 ℃; for 7h; Inert atmosphere;
DOI:10.1002/jhet.796

Reference yield:

: 626-39-1
1,3,5-trisbromobenzene

: 1357396-39-4
2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole

Guidance literature:: Multi-step reaction with 4 steps

1: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine / 5 h / 80 °C / Inert atmosphere

2: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine / 5 h / 80 °C / Inert atmosphere

3: potassium hydroxide / toluene / 3 h / Reflux; Inert atmosphere

4: tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine; zinc(II) chloride / tetrahydrofuran / 7 h / 65 °C / Inert atmosphere

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine; potassium hydroxide; zinc(II) chloride; In tetrahydrofuran; toluene; 1: Sonogashira coupling / 2: Sonogashira coupling / 4: Negishi coupling reaction;
DOI:10.1002/jhet.796

Reference yield:

: 872690-04-5
4,4'-(5-bromo-1,3-phenylene)bis(ethyne-2,1-diyl)bis(tert-butylbenzene)

: 1357396-39-4
2,5-bis((3,5-bis((4-tert-butylphenyl)ethynyl)phenyl)ethynyl)-1,1-dimethyl-3,4-diphenylsilole

Guidance literature:: Multi-step reaction with 3 steps

1: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine / 5 h / 80 °C / Inert atmosphere

2: potassium hydroxide / toluene / 3 h / Reflux; Inert atmosphere

3: tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine; zinc(II) chloride / tetrahydrofuran / 7 h / 65 °C / Inert atmosphere

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine; potassium hydroxide; zinc(II) chloride; In tetrahydrofuran; toluene; 1: Sonogashira coupling / 3: Negishi coupling reaction;
DOI:10.1002/jhet.796