5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole

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Chemical Name:5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole
CAS No.:790661-76-6
Molecular Formula:C₁₈H₂₃NO₃S
Molecular Weight:333.452
Hs Code.:

Synonyms:5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole

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Chemical Property of 5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole

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Technology Process of 5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole

There total 2 articles about 5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole 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: 50.0%

: 426840-81-5
(E)-2-[(1-ethoxy)buta-1,3-dienyl]-5,5-dimethyl-[1,3,2]dioxaborinane

: 790661-74-4
trifluoromethanesulfonic acid 5-methyl-1-(toluene-4-sulfonyl)-4,5-dihydro-1H-pyrrol-2-yl ester

: 790661-76-6
5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate; In tetrahydrofuran; at 55 ℃; for 3h;
DOI:10.1021/jo0489263

Reference yield:

: 118429-46-2
1-(4-methylphenyl)sulfonyl-5-methyl-2-pyrrolidinone

: 790661-76-6
5-(1-ethoxybuta-1,3-dienyl)-2-methyl-1-(toluene-4-sulfonyl)-2,3-dihydro-1H-pyrrole

Guidance literature:: Multi-step reaction with 2 steps

1.1: KHMDS / tetrahydrofuran; toluene / 1.5 h / -78 °C

1.2: tetrahydrofuran; toluene / -78 - 0 °C

2.1: 50 percent / (Ph₃P)2PdCl₂; aq. Na₂CO₃ / tetrahydrofuran / 3 h / 55 °C

With bis-triphenylphosphine-palladium(II) chloride; potassium hexamethylsilazane; sodium carbonate; In tetrahydrofuran; toluene;
DOI:10.1021/jo0489263