Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3-(4-methoxyphenyl)-4-(4-pyridinyl)-

Base Information

Chemical Name:Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3-(4-methoxyphenyl)-4-(4-pyridinyl)-
CAS No.:876066-24-9
Molecular Formula:C₂₀H₁₃NO₅S₂
Molecular Weight:411.459
Hs Code.:

Synonyms:

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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 Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3-(4-methoxyphenyl)-4-(4-pyridinyl)-

Chemical Property:

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Technology Process of Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3-(4-methoxyphenyl)-4-(4-pyridinyl)-

There total 3 articles about Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3-(4-methoxyphenyl)-4-(4-pyridinyl)- 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:

: 876066-23-8
3-(4-methoxyphenyl)-4-(4-pyridyl)thieno[2,3-b]thiophene-2,5-diethylester

: 876066-24-9
3-(4-methoxy-phenyl)-4-pyridin-4-yl-thieno[2,3-b]thiophene-2,5-dicarboxylic acid

Guidance literature:: With potassium hydroxide; In water; dimethyl sulfoxide; at 100 ℃; for 10h;

Reference yield:

: 791064-83-0
1-(4-methoxyphenyl)-3-(4-pyridyl)-1,3-propandione

: 876066-24-9
3-(4-methoxy-phenyl)-4-pyridin-4-yl-thieno[2,3-b]thiophene-2,5-dicarboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: K₂CO₃; tetrabutylammonium bromide / dimethylformamide / 0.5 h / 20 °C

1.2: dimethylformamide / 24 h / 20 °C

2.1: sodium ethoxide / tetrahydrofuran / 0.83 h / 0 °C

3.1: KOH / dimethylsulfoxide; H₂O / 10 h / 100 °C

With potassium hydroxide; tetrabutylammomium bromide; sodium ethanolate; potassium carbonate; In tetrahydrofuran; water; dimethyl sulfoxide; N,N-dimethyl-formamide; 2.1: Dieckman cyclization;

Reference yield:

: 876066-22-7
[1-ethoxycarbonylmethylsulfanyl-3-(4-methoxy-phenyl)-3-oxo-2-(pyridine-4-carbonyl)-propenylsulfanyl]-acetic acid ethyl ester

: 876066-24-9
3-(4-methoxy-phenyl)-4-pyridin-4-yl-thieno[2,3-b]thiophene-2,5-dicarboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: sodium ethoxide / tetrahydrofuran / 0.83 h / 0 °C

2: KOH / dimethylsulfoxide; H₂O / 10 h / 100 °C

With potassium hydroxide; sodium ethanolate; In tetrahydrofuran; water; dimethyl sulfoxide; 1: Dieckman cyclization;