(E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate

Base Information

Chemical Name:(E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate
CAS No.:1353851-86-1
Molecular Formula:C₁₇H₂₄O₅
Molecular Weight:308.375
Hs Code.:

Synonyms:(E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate

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Chemical Property of (E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate

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Technology Process of (E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate

There total 2 articles about (E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate 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: 89.0%

: 62054-49-3
ethyl (E)-3-formyl-2-butenoate

: 1353851-85-0
1-bromo-2-ethyl-3,4-dimethoxybenzene

: 1353851-86-1
(E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate

Guidance literature:: 1-bromo-2-ethyl-3,4-dimethoxybenzene; With ethyl bromide; iodine; magnesium; In tetrahydrofuran; for 1h; Reflux;

ethyl (E)-3-formyl-2-butenoate; In tetrahydrofuran; at 0 - 20 ℃; for 12h;

With hydrogenchloride; In tetrahydrofuran; water;
DOI:10.1016/j.tetlet.2011.11.065

Reference yield:

: 103517-22-2
3-ethyl-1,2-dimethoxybenzene

: 1353851-86-1
(E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate

Guidance literature:: Multi-step reaction with 2 steps

1.1: N-Bromosuccinimide; silica gel / tetrachloromethane / 12 h / 20 °C

2.1: ethyl bromide; iodine; magnesium / tetrahydrofuran / 1 h / Reflux

2.2: 12 h / 0 - 20 °C

With N-Bromosuccinimide; ethyl bromide; iodine; silica gel; magnesium; In tetrahydrofuran; tetrachloromethane;
DOI:10.1016/j.tetlet.2011.11.065

Reference yield: 90.0%

: 1353851-86-1
(E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate

: 1353851-87-2
(E)-4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoic acid

Guidance literature:: (E) ethyl 4-(2-ethyl-3,4-dimethoxyphenyl)-4-hydroxy-3-methylbut-2-enoate; With potassium hydroxide; In ethanol; water; for 8h; Reflux;

With hydrogenchloride; In ethanol; water; Cooling with ice;
DOI:10.1016/j.tetlet.2011.11.065