4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene

Base Information

Chemical Name:4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene
CAS No.:936339-56-9
Molecular Formula:C₃₈H₄₈Br₂O₂
Molecular Weight:696.606
Hs Code.:

Synonyms:4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene

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Chemical Property of 4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene

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Technology Process of 4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene

There total 4 articles about 4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene 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: 60.0%

: 1122-91-4
4-bromo-benzaldehyde

: 1,4-di(2'-ethylhexyloxy)-2,5-bis[(triphenylphosphonio)methyl]benzene dibromide

: 936339-56-9
4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene

Guidance literature:: With sodium ethanolate; In ethanol; dichloromethane; at 20 ℃; for 12h; Inert atmosphere;
DOI:10.1039/c5nj01525a

Reference yield:

: 18908-66-2
3-bromomethylheptane

: 936339-56-9
4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene

Guidance literature:: Multi-step reaction with 4 steps

1: sodium hydroxide; tetrabutylammomium bromide / hexane; water / 12 h / Reflux

2: hydrogen bromide; acetic acid / 4 h / 70 °C

3: N,N-dimethyl-formamide / 12 h / 80 °C

4: sodium ethanolate / ethanol; dichloromethane / 12 h / 20 °C / Inert atmosphere

With tetrabutylammomium bromide; hydrogen bromide; sodium ethanolate; acetic acid; sodium hydroxide; In ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide; 4: |Wittig Olefination;
DOI:10.1039/c5nj01525a

Reference yield:

: 110126-93-7
1,4-bis((2-ethylhexyl)oxy)benzene

: 936339-56-9
4,4'-[(2,5-(2-ethylhexyl)oxy-1,4-phenylene)di(E)ethene-2,1-diyl]dibromobenzene

Guidance literature:: Multi-step reaction with 3 steps

1: hydrogen bromide; acetic acid / 4 h / 70 °C

2: N,N-dimethyl-formamide / 12 h / 80 °C

3: sodium ethanolate / ethanol; dichloromethane / 12 h / 20 °C / Inert atmosphere

With hydrogen bromide; sodium ethanolate; acetic acid; In ethanol; dichloromethane; N,N-dimethyl-formamide; 3: |Wittig Olefination;
DOI:10.1039/c5nj01525a