(2E,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene

Base Information

Chemical Name:(2E,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene
CAS No.:121030-19-1
Molecular Formula:C₁₇H₂₃NO₃
Molecular Weight:289.375
Hs Code.:

(2E,4E)-1-<N-(tert-butoxycarbonyl)amino>-5-(4'-methoxyphenyl)-2,4-pentadiene

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Chemical Property of (2E,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene

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Technology Process of (2E,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene

There total 9 articles about (2E,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene 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:

: 1083003-48-8
tert-butyl (E)-4-(1-phenyl-1H-tetrazol-5-ylsulfonyl)but-2-enyl carbamate

: 123-11-5
4-methoxy-benzaldehyde

: 1083003-63-7
C₁₇H₂₃NO₃

: 121030-19-1
(2E,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene

Guidance literature:: tert-butyl (E)-4-(1-phenyl-1H-tetrazol-5-ylsulfonyl)but-2-enyl carbamate; With lithium hexamethyldisilazane; In tetrahydrofuran; at -78 ℃;

4-methoxy-benzaldehyde; In tetrahydrofuran; at -78 - 20 ℃; optical yield given as %de;
DOI:10.1055/s-2008-1078011

Reference yield:

: 51779-32-9
iminodicarboxylic acid di-tert-butyl ester

: 121030-19-1
(2Z,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) NaH / 1.) DMF, 0 deg C, 2a.) 10 min, 2b.) 60-65 deg C, 3 h

2: CF₃COOH / CH₂Cl₂ / 3.5 h / 20 - 22 °C

3: 83 percent / NaI / 20 h / 90 - 100 °C

4: 1.) sodium bis(trimethylsilyl)amide / 1.) THF, -78 deg C, 10 min, 2a.) from -78 deg C to -5 deg C, 5 h, 2b.) 1 h

With sodium hexamethyldisilazane; sodium hydride; trifluoroacetic acid; sodium iodide; In dichloromethane;
DOI:10.1021/jo00275a021

Reference yield:

: 51779-32-9
iminodicarboxylic acid di-tert-butyl ester

: 121030-19-1
(2E,4E)-1--5-(4'-methoxyphenyl)-2,4-pentadiene

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) NaH / 1.) DMF, 0 deg C, 2a.) 10 min, 2b.) 60-65 deg C, 3 h

2: CF₃COOH / CH₂Cl₂ / 3.5 h / 20 - 22 °C

3: 83 percent / NaI / 20 h / 90 - 100 °C

4: 1.) sodium bis(trimethylsilyl)amide / 1.) THF, -78 deg C, 10 min, 2a.) from -78 deg C to -5 deg C, 5 h, 2b.) 1 h

With sodium hexamethyldisilazane; sodium hydride; trifluoroacetic acid; sodium iodide; In dichloromethane;
DOI:10.1021/jo00275a021