(2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

Base Information

Chemical Name:(2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester
CAS No.:623560-43-0
Molecular Formula:C₁₆H₂₀O₄S
Molecular Weight:308.398
Hs Code.:

Synonyms:(2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

Chemical Property:

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Technology Process of (2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

There total 3 articles about (2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl 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:

: 7633-32-1
tert-butyl glyoxylate

: 623560-28-1
(2-benzenesulfonylmethylallyl)phosphonic acid diethyl ester

: 623560-44-1
(2E,4Z)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

: 623560-43-0
(2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

Guidance literature:: With sodium hydride; In tetrahydrofuran; at 0 - 20 ℃; for 5h;
DOI:10.1021/ja0377596

Reference yield:

: 49639-05-6
1-(phenylsulfonyl)-2-methyl-2-propene

: 623560-43-0
(2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 48 percent / NBS; AIBN / CCl₄ / 3 h / Heating

2: 81 percent / 3 h / 140 °C

3: NaH / tetrahydrofuran / 5 h / 0 - 20 °C

With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); sodium hydride; In tetrahydrofuran; tetrachloromethane;
DOI:10.1021/ja0377596

Reference yield:

: 129800-98-2
2-(bromomethyl)-3-(phenylsulfonyl)-1-propene

: 623560-43-0
(2E,4E)-5-benzenesulfonyl-4-methylpenta-2,4-dienoic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 81 percent / 3 h / 140 °C

2: NaH / tetrahydrofuran / 5 h / 0 - 20 °C

With sodium hydride; In tetrahydrofuran;
DOI:10.1021/ja0377596