(2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

Base Information

Chemical Name:(2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester
CAS No.:1023327-71-0
Molecular Formula:C₂₄H₂₈O₆
Molecular Weight:412.483
Hs Code.:

Synonyms:(2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

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Chemical Property of (2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

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Technology Process of (2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

There total 3 articles about (2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester 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: 68.8%

: 881854-95-1
3,5-dimethoxy-4-(4'-ethoxybenzyloxy)benzaldehyde

: 33398-36-6
[(2E)-4-ethoxy-4-oxo-2-buten-1-yl]triphenylphosphonium bromide

: 1023327-73-2
(2Z,4Z)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

: 1023327-71-0
(2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

Guidance literature:: [(2E)-4-ethoxy-4-oxo-2-buten-1-yl]triphenylphosphonium bromide; With sodium ethanolate; In tetrahydrofuran; ethanol;

3,5-dimethoxy-4-(4'-ethoxybenzyloxy)benzaldehyde; In tetrahydrofuran; ethanol; for 2h;
DOI:10.1080/14786410902830175

Reference yield:

: 6214-44-4
4-ethoxybenzyl alcohol

: 1023327-71-0
(2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: sulfuric acid; hydrogen bromide

2.1: potassium carbonate / acetone / 4 h / Reflux

3.1: sodium ethanolate / tetrahydrofuran; ethanol

3.2: 2 h

With sulfuric acid; hydrogen bromide; sodium ethanolate; potassium carbonate; In tetrahydrofuran; ethanol; acetone; 3.2: Wittig reaction;
DOI:10.1080/14786410902830175

Reference yield:

: 2606-57-7
4-ethoxybenzyl bromide

: 1023327-71-0
(2E,4E)-5-[3',5'-dimethoxy-4'-(4''-ethoxybenzyloxy)phenyl]-2,4-pentadienoic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: potassium carbonate / acetone / 4 h / Reflux

2.1: sodium ethanolate / tetrahydrofuran; ethanol

2.2: 2 h

With sodium ethanolate; potassium carbonate; In tetrahydrofuran; ethanol; acetone; 2.2: Wittig reaction;
DOI:10.1080/14786410902830175