3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

Base Information

Chemical Name:3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione
CAS No.:853649-34-0
Molecular Formula:C₂₉H₃₃NO₆S₂
Molecular Weight:555.716
Hs Code.:

Synonyms:3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

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Chemical Property of 3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

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Technology Process of 3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

There total 5 articles about 3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione 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: 65.0%

: C₉H₁₅BO₄S

: 853649-55-5
3,4-diiodo-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

: 853649-34-0
3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

Guidance literature:: With triethylamine; palladium on activated charcoal; In ethanol; for 24h; Heating;
DOI:10.1016/j.tet.2005.03.016

Reference yield:

: 13959-97-2
2-thiophenealdehyde diethyl acetal

: 853649-34-0
3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / 1,2-dimethoxy-ethane / 3 h / -20 °C

1.2: triisopropylborate / 1,2-dimethoxy-ethane / 2 h / -20 - 20 °C

1.3: acetic acid; water / 1,2-dimethoxy-ethane

2.1: 65 percent / triethylamine / palladium on activated carbon / ethanol / 24 h / Heating

With n-butyllithium; triethylamine; palladium on activated charcoal; In 1,2-dimethoxyethane; ethanol; 2.1: Suzuki cross-coupling;
DOI:10.1016/j.tet.2005.03.016

Reference yield:

: 91026-00-5
N-benzyl-2,3-dibromo-maleimide

: 853649-34-0
3,4-bis[5-(diethoxymethyl)thien-2-yl]-2,5-dihydro-1-benzyl-1H-pyrrole-2,5-dione

Guidance literature:: Multi-step reaction with 2 steps

1: 89 percent / sodium iodide; acetic acid / 2 h / Heating

2: 65 percent / triethylamine / palladium on activated carbon / ethanol / 24 h / Heating

With acetic acid; triethylamine; sodium iodide; palladium on activated charcoal; In ethanol; 2: Suzuki cross-coupling;
DOI:10.1016/j.tet.2005.03.016