[4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

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Chemical Name:[4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane
CAS No.:194015-22-0
Molecular Formula:C₇₅H₁₀₅BrO₈Si
Molecular Weight:1242.64
Hs Code.:

[4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

Synonyms:[4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

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Chemical Property of [4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

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Technology Process of [4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

There total 7 articles about [4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane 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: 53.0%

: 194015-35-5
C₃₆H₄₉BrO₄

: 194015-17-3
[4-[4-Iodo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

: 194015-22-0
[4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; diethylamine; Ambient temperature;
DOI:10.1021/jo970548x

Reference yield:

: 1,4-dibromo-2,5-bis(isopentyloxy)benzene

: 194015-22-0
[4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-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: 93 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

3: 98 percent / aq. NaOH / methanol / 2 h / Ambient temperature

4: 57 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

5: 100 percent / aq. NaOH / methanol; tetrahydrofuran / 2 h / Ambient temperature

6: 53 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:

: 194015-12-8
1-Bromo-4-iodo-2,5-bis-(3-methyl-butoxy)-benzene

: 194015-22-0
[4-[4-[4-[4-Bromo-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-2,5-bis-(3-methyl-butoxy)-phenylethynyl]-trimethyl-silane

Guidance literature:: Multi-step reaction with 5 steps

1: 93 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

2: 98 percent / aq. NaOH / methanol / 2 h / Ambient temperature

3: 57 percent / Et₂NH, Pd(PPh₃)2Cl₂, CuI / Ambient temperature

4: 100 percent / aq. NaOH / methanol; tetrahydrofuran / 2 h / Ambient temperature

5: 53 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