tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

Base Information

Chemical Name:tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate
CAS No.:1268375-45-6
Molecular Formula:C₁₈H₁₈O₃S₂
Molecular Weight:346.471
Hs Code.:

Synonyms:tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

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Chemical Property of tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

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Technology Process of tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

There total 5 articles about tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate 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: 85.0%

: 1268375-29-6
tert-butyl 2,5-dichloro-6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

: 1268375-45-6
tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

Guidance literature:: With palladium 10% on activated carbon; ammonium formate; In ethanol; water; at 120 ℃; for 6h; Inert atmosphere; Microwave irradiation;
DOI:10.1002/chem.201002506

Reference yield:

: 251-41-2
thieno[3,2-b]thiophene

: 1268375-45-6
tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: N-chloro-succinimide / N,N-dimethyl-formamide / 6 h / 20 °C / Inert atmosphere

2.1: 2,2,6,6-tetramethylpiperidinyl magnesium chloride-lithium chloride / tetrahydrofuran / 25 °C / Inert atmosphere

2.2: 0.25 h / 25 °C / Inert atmosphere

2.3: 4 h / 25 °C / Inert atmosphere

3.1: 2,2,6,6-tetramethylpiperidinyl magnesium chloride-lithium chloride / tetrahydrofuran / 25 °C / Inert atmosphere

3.2: 12 h / -40 - 20 °C / Inert atmosphere

4.1: palladium 10% on activated carbon; ammonium formate / ethanol; water / 6 h / 120 °C / Inert atmosphere; Microwave irradiation

With N-chloro-succinimide; palladium 10% on activated carbon; 2,2,6,6-tetramethylpiperidinyl magnesium chloride-lithium chloride; ammonium formate; In tetrahydrofuran; ethanol; water; N,N-dimethyl-formamide;
DOI:10.1002/chem.201002506

Reference yield:

: 39076-88-5
2,5-dichlorothieno[3,2-b]thiophene

: 1268375-45-6
tert-butyl 6-(4-methoxyphenyl)thieno[3,2-b]thiophene-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: 2,2,6,6-tetramethylpiperidinyl magnesium chloride-lithium chloride / tetrahydrofuran / 25 °C / Inert atmosphere

1.2: 0.25 h / 25 °C / Inert atmosphere

1.3: 4 h / 25 °C / Inert atmosphere

2.1: 2,2,6,6-tetramethylpiperidinyl magnesium chloride-lithium chloride / tetrahydrofuran / 25 °C / Inert atmosphere

2.2: 12 h / -40 - 20 °C / Inert atmosphere

3.1: palladium 10% on activated carbon; ammonium formate / ethanol; water / 6 h / 120 °C / Inert atmosphere; Microwave irradiation

With palladium 10% on activated carbon; 2,2,6,6-tetramethylpiperidinyl magnesium chloride-lithium chloride; ammonium formate; In tetrahydrofuran; ethanol; water;
DOI:10.1002/chem.201002506