Benzaldehyde, 4,4'-[[2,5-bis(octyloxy)-1,4-phenylene]di-2,1-ethynediyl]bis[2,5-bis(octyl oxy)-

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Chemical Name:Benzaldehyde, 4,4'-[[2,5-bis(octyloxy)-1,4-phenylene]di-2,1-ethynediyl]bis[2,5-bis(octyl oxy)-
CAS No.:431898-27-0
Molecular Formula:C72H110O8
Molecular Weight:1103.66
Hs Code.:

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of Benzaldehyde, 4,4'-[[2,5-bis(octyloxy)-1,4-phenylene]di-2,1-ethynediyl]bis[2,5-bis(octyl oxy)-

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Technology Process of Benzaldehyde, 4,4'-[[2,5-bis(octyloxy)-1,4-phenylene]di-2,1-ethynediyl]bis[2,5-bis(octyl oxy)-

There total 2 articles about Benzaldehyde, 4,4'-[[2,5-bis(octyloxy)-1,4-phenylene]di-2,1-ethynediyl]bis[2,5-bis(octyl oxy)- 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: 69.0%

: 153033-27-3
1,4-diethynyl-2,5-bis(octoxy)benzene

: 431898-09-8
2,5-bis(octyloxy)-4-bromo-benzaldehyde

: 431898-27-0
1,4-bis(4-formyl-2,5-dioctyloxyphenylethynyl)-2,5-dioctyloxybenzene

Guidance literature:: With copper(l) iodide; diisopropylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In toluene; at 70 - 80 ℃; for 24h;
DOI:10.1021/ma0301395

Reference yield:

: 156028-40-9
1,4-dibromo-2,5-dioctyloxyphenylene

: 431898-27-0
1,4-bis(4-formyl-2,5-dioctyloxyphenylethynyl)-2,5-dioctyloxybenzene

Guidance literature:: Multi-step reaction with 2 steps

1: 74.6 percent / BuLi / diethyl ether; heptane / 1.5 h / 10 - 15 °C

2: 69 percent / CuI; (i-Pr)2NH / Pd(PPh₃)4 / toluene / 24 h / 70 - 80 °C

With copper(l) iodide; n-butyllithium; diisopropylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In diethyl ether; n-heptane; toluene; 1: Bouveault formylation;
DOI:10.1021/ma0301395