3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione

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Chemical Name:3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione
CAS No.:217655-20-4
Molecular Formula:C₂₅H₂₆O₄
Molecular Weight:390.479
Hs Code.:

Synonyms:3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione

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Chemical Property of 3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione

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Technology Process of 3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione

There total 3 articles about 3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione 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: 57.0%

: 5222-73-1
3,4-dimethoxy-3-cyclobutene-1,2-dione

: C₂₀H₂₃BrO

: 217655-20-4
3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione

Guidance literature:: C₂₀H₂₃BrO; With n-butyllithium; In tetrahydrofuran; hexane; at -10 ℃; for 0.5h; Inert atmosphere;

3,4-dimethoxy-3-cyclobutene-1,2-dione; In tetrahydrofuran; hexane; at -78 - 20 ℃; for 2h;

Reference yield:

: 38186-51-5
diethyl (4-bromobenzyl)phosphonate

: 217655-20-4
3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione

Guidance literature:: Multi-step reaction with 2 steps

1.1: sodium hydride / 1,2-dimethoxyethane; paraffin oil / 0.17 h

1.2: 3 h / Reflux

2.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -10 °C / Inert atmosphere

2.2: 2 h / -78 - 20 °C

With n-butyllithium; sodium hydride; In tetrahydrofuran; 1,2-dimethoxyethane; hexane; paraffin oil; 1.1: Wittig-Horner reaction / 1.2: Wittig-Horner reaction;

Reference yield:

: 589-15-1
1-bromomethyl-4-bromobenzene

: 217655-20-4
3-{4-[(E)-2-(4-Hexyloxy-phenyl)-vinyl]-phenyl}-4-methoxy-cyclobut-3-ene-1,2-dione

Guidance literature:: Multi-step reaction with 3 steps

1.1: 2.5 h / Reflux

2.1: sodium hydride / 1,2-dimethoxyethane; paraffin oil / 0.17 h

2.2: 3 h / Reflux

3.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -10 °C / Inert atmosphere

3.2: 2 h / -78 - 20 °C

With n-butyllithium; sodium hydride; In tetrahydrofuran; 1,2-dimethoxyethane; hexane; paraffin oil; 1.1: Arbuzov reaction / 2.1: Wittig-Horner reaction / 2.2: Wittig-Horner reaction;