2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid

Base Information

Chemical Name:2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid
CAS No.:666852-77-3
Molecular Formula:C₂₀H₂₃NO₃S
Molecular Weight:357.474
Hs Code.:

Synonyms:2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid

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Chemical Property of 2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid

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Technology Process of 2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid

There total 3 articles about 2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid 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: 95.0%

: ethyl 2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoate

: 666852-77-3
2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid

Guidance literature:: With sodium hydroxide; In ethanol; at 60 ℃; for 4h;
DOI:10.1016/j.bmcl.2007.09.099

Reference yield:

: 666852-63-7
ethyl 2-methyl-2-(2-thienyl)propanoate

: 666852-77-3
2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: nitronium tetrafluoborate / 1,2-dimethoxyethane / 4 h / -55 - -10 °C

2.1: hydrogen / palladium 10% on activated carbon / ethanol; ethyl acetate / 5 h / 1140.08 Torr

3.1: tetrahydrofuran / 16 h / Heating / reflux

4.1: sodium hydride / N,N-dimethyl-formamide / 2 h / 10 - 20 °C

4.2: -5 - 20 °C

5.1: zinc(II) chloride / iso-butanol / 8 h / 100 °C

6.1: sodium hydroxide; water / ethanol / 4 h / 60 °C

6.2: 5 °C / pH 1

With sodium hydroxide; nitronium tetrafluoborate; water; hydrogen; sodium hydride; zinc(II) chloride; palladium 10% on activated carbon; In tetrahydrofuran; 1,2-dimethoxyethane; ethanol; ethyl acetate; N,N-dimethyl-formamide; iso-butanol;

Reference yield:

: 666852-64-8
ethyl 2-methyl-2-(5-nitro-2-thienyl)propanoate

: 666852-77-3
2-[5-(3,5-dimethylphenyl)-4-(2-hydroxyethyl)-6H-thieno[2,3-b]pyrrol-2-yl]-2-methylpropanoic acid

Guidance literature:: Multi-step reaction with 5 steps

1.1: hydrogen / palladium 10% on activated carbon / ethanol; ethyl acetate / 5 h / 1140.08 Torr

2.1: tetrahydrofuran / 16 h / Heating / reflux

3.1: sodium hydride / N,N-dimethyl-formamide / 2 h / 10 - 20 °C

3.2: -5 - 20 °C

4.1: zinc(II) chloride / iso-butanol / 8 h / 100 °C

5.1: sodium hydroxide; water / ethanol / 4 h / 60 °C

5.2: 5 °C / pH 1

With sodium hydroxide; water; hydrogen; sodium hydride; zinc(II) chloride; palladium 10% on activated carbon; In tetrahydrofuran; ethanol; ethyl acetate; N,N-dimethyl-formamide; iso-butanol;