Silane, [[4-[[4-[[4-[(4-bromo-2,5-dihexylphenyl)ethynyl]-2,5-dihexylphenyl]ethynyl] -2,5-dihexylphenyl]ethynyl]-2,5-dihexylphenyl]ethynyl]trimethyl-

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Chemical Name:Silane, [[4-[[4-[[4-[(4-bromo-2,5-dihexylphenyl)ethynyl]-2,5-dihexylphenyl]ethynyl] -2,5-dihexylphenyl]ethynyl]-2,5-dihexylphenyl]ethynyl]trimethyl-
CAS No.:194015-24-2
Molecular Formula:C83H121BrSi
Molecular Weight:1226.86
Hs Code.:

Silane,
[[4-[[4-[[4-[(4-bromo-2,5-dihexylphenyl)ethynyl]-2,5-dihexylphenyl]ethynyl]
-2,5-dihexylphenyl]ethynyl]-2,5-dihexylphenyl]ethynyl]trimethyl-

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Chemical Property of Silane, [[4-[[4-[[4-[(4-bromo-2,5-dihexylphenyl)ethynyl]-2,5-dihexylphenyl]ethynyl] -2,5-dihexylphenyl]ethynyl]-2,5-dihexylphenyl]ethynyl]trimethyl-

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Technology Process of Silane, [[4-[[4-[[4-[(4-bromo-2,5-dihexylphenyl)ethynyl]-2,5-dihexylphenyl]ethynyl] -2,5-dihexylphenyl]ethynyl]-2,5-dihexylphenyl]ethynyl]trimethyl-

There total 7 articles about Silane, [[4-[[4-[[4-[(4-bromo-2,5-dihexylphenyl)ethynyl]-2,5-dihexylphenyl]ethynyl] -2,5-dihexylphenyl]ethynyl]-2,5-dihexylphenyl]ethynyl]trimethyl- 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: 80.0%

: 194015-36-6
C₄₀H₅₇Br

: 194015-19-5
[4-(2,5-Dihexyl-4-iodo-phenylethynyl)-2,5-dihexyl-phenylethynyl]-trimethyl-silane

: 194015-24-2
(4-{4-[4-(4-Bromo-2,5-dihexyl-phenylethynyl)-2,5-dihexyl-phenylethynyl]-2,5-dihexyl-phenylethynyl}-2,5-dihexyl-phenylethynyl)-trimethyl-silane

Guidance literature:: With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diisopropylamine; In toluene; Inert atmosphere; Heating;

Reference yield:

: 117635-21-9
1,4-dibromo-2,5-di-n-hexylbenzene

: 194015-24-2
(4-{4-[4-(4-Bromo-2,5-dihexyl-phenylethynyl)-2,5-dihexyl-phenylethynyl]-2,5-dihexyl-phenylethynyl}-2,5-dihexyl-phenylethynyl)-trimethyl-silane

Guidance literature:: Multi-step reaction with 6 steps

1: 1.) n-BuLi, 2.) 1,2-diiodoethane / 1) THF, hexane, -90 to -80 deg C; 2) THF, hexane, 30 min

2: 96 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

3: 88 percent / aq. NaOH / methanol; tetrahydrofuran / 2 h / Ambient temperature

4: 96 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

5: 95 percent / aq. NaOH / methanol; tetrahydrofuran / 2 h / Ambient temperature

6: 58 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

With bis-triphenylphosphine-palladium(II) chloride; sodium hydroxide; copper(l) iodide; n-butyllithium; 1,2-Diiodoethane; diethylamine; In tetrahydrofuran; methanol;
DOI:10.1021/jo970548x

Reference yield:

: 187275-61-2
1-bromo-2,5-dihexyl-4-iodobenzene

: 194015-24-2
(4-{4-[4-(4-Bromo-2,5-dihexyl-phenylethynyl)-2,5-dihexyl-phenylethynyl]-2,5-dihexyl-phenylethynyl}-2,5-dihexyl-phenylethynyl)-trimethyl-silane

Guidance literature:: Multi-step reaction with 5 steps

1: 96 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

2: 88 percent / aq. NaOH / methanol; tetrahydrofuran / 2 h / Ambient temperature

3: 96 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

4: 95 percent / aq. NaOH / methanol; tetrahydrofuran / 2 h / Ambient temperature

5: 58 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

With bis-triphenylphosphine-palladium(II) chloride; sodium hydroxide; copper(l) iodide; diethylamine; In tetrahydrofuran; methanol;
DOI:10.1021/jo970548x