1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene

Base Information

Chemical Name:1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene
CAS No.:1234575-48-4
Molecular Formula:C₇₀H₅₆O₂P₂
Molecular Weight:991.161
Hs Code.:

Synonyms:1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene

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Chemical Property of 1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene

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Technology Process of 1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene

There total 5 articles about 1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)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: 46.0%

: 1202261-01-5
(4-iodophenyl)-diphenylphosphineoxide

: 1234575-47-3
1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-diethynylbenzene

: 1234575-48-4
1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene

Guidance literature:: With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diisopropylamine; In tetrahydrofuran; at 20 ℃; for 48h;
DOI:10.1039/b921895e

Reference yield:

: 952676-72-1
4,4’-((2,5-dibromo-1,4-phenylene)bis(ethyne-2,1-diyl))bis(tert-butylbenzene)

: 1234575-48-4
1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene

Guidance literature:: Multi-step reaction with 3 steps

1: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine / tetrahydrofuran / 70 °C

2: tetrabutyl ammonium fluoride / tetrahydrofuran

3: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diisopropylamine / tetrahydrofuran / 48 h / 20 °C

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; tetrabutyl ammonium fluoride; triethylamine; diisopropylamine; In tetrahydrofuran; 3: Sonogashira-Miyaura coupling;
DOI:10.1039/b921895e

Reference yield:

: 106-37-6
1.4-dibromobenzene

: 1234575-48-4
1,4-bis(2-(4-tert-butylphenyl)ethynyl)-2,5-bis(2-(4-(diphenylphosphoryl)phenyl)ethynyl)benzene

Guidance literature:: Multi-step reaction with 5 steps

1: sulfuric acid; iodine / 125 - 130 °C

2: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine / tetrahydrofuran

3: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; triethylamine / tetrahydrofuran / 70 °C

4: tetrabutyl ammonium fluoride / tetrahydrofuran

5: copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diisopropylamine / tetrahydrofuran / 48 h / 20 °C

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; sulfuric acid; tetrabutyl ammonium fluoride; iodine; triethylamine; diisopropylamine; In tetrahydrofuran; 5: Sonogashira-Miyaura coupling;
DOI:10.1039/b921895e