3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester

Base Information

Chemical Name:3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester
CAS No.:1166834-62-3
Molecular Formula:C₂₄H₂₅NO₇
Molecular Weight:439.465
Hs Code.:

Synonyms:3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester

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Chemical Property of 3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester

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Technology Process of 3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester

There total 4 articles about 3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl 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: 61.0%

: 1166834-61-2
4-(3,4-dimethoxyphenyl)-5-formyl-3-iodo-1H-pyrrole-2-carboxylic acid ethyl ester

: 122775-35-3
3,4-Dimethoxyphenylboronic acid

: 1166834-62-3
3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In ethanol; water; toluene; at 110 ℃; for 3h; Inert atmosphere; Microwave irradiation;
DOI:10.1016/j.tet.2009.03.085

Reference yield: 56.0%

: 1166834-61-2
4-(3,4-dimethoxyphenyl)-5-formyl-3-iodo-1H-pyrrole-2-carboxylic acid ethyl ester

: potassium (3,4-dimethoxyphenyl)trifluoroborate

: 1166834-62-3
3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester

Guidance literature:: With 1,4-diaza-bicyclo[2.2.2]octane; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; In ethanol; water; toluene; at 110 ℃; for 2h; Microwave irradiation;
DOI:10.1016/j.tet.2014.11.035

Reference yield:

: potassium (3,4-dimethoxyphenyl)trifluoroborate

: 1166834-62-3
3,4-bis-(3,4-dimethoxyphenyl)-5-formyl-1H-pyrrole-2-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 1,4-diaza-bicyclo[2.2.2]octane; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / toluene; ethanol; water / 2 h / 110 °C / Microwave irradiation

2.1: potassium hydroxide / N,N-dimethyl-formamide / 0.5 h / 20 °C

2.2: 20 °C / Darkness

3.1: 1,4-diaza-bicyclo[2.2.2]octane; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / toluene; ethanol; water / 2 h / 110 °C / Microwave irradiation

With 1,4-diaza-bicyclo[2.2.2]octane; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium hydroxide; In ethanol; water; N,N-dimethyl-formamide; toluene; 1.1: |Suzuki Coupling / 3.1: |Suzuki Coupling;
DOI:10.1016/j.tet.2014.11.035