diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate

Base Information

Chemical Name:diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate
CAS No.:1435657-96-7
Molecular Formula:C₃₈H₄₀O₄S₃
Molecular Weight:656.931
Hs Code.:

Synonyms:

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Chemical Property of diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate

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Technology Process of diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate

There total 3 articles about diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate 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:

: C₃₀H₃₂O₂S

: 623-51-8
ethyl 2-sulfanylacetate

: 1435657-96-7
diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate

Guidance literature:: With 1,8-diazabicyclo[5.4.0]undec-7-ene; In ethanol; at 70 ℃; for 20h; Inert atmosphere; Schlenk technique;
DOI:10.1039/c3ob40124c

Reference yield:

: 79109-72-1
2,5-diethynylthiophene

: 1435657-96-7
diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(l) iodide; triethylamine / tetrahydrofuran / 4.25 h / 20 °C / Inert atmosphere; Schlenk technique

2: 1,8-diazabicyclo[5.4.0]undec-7-ene / ethanol / 20 h / 70 °C / Inert atmosphere; Schlenk technique

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; In tetrahydrofuran; ethanol; 1: |Sonogashira Cross-Coupling / 2: |Fiesselmann Thiophene Synthesis;
DOI:10.1039/c3ob40124c

Reference yield:

: 79109-69-6
2,5-bis-(trimethylsilyl)ethynylthiophene

: 1435657-96-7
diethyl 2,2′-5′,2′′-terthiophene-4,4′′-bis(p-tbutylphenyl)-5,5′′-dicarboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium hydroxide / water; methanol / 0.5 h / 20 °C / Inert atmosphere; Schlenk technique

1.2: Inert atmosphere; Sealed tube

2.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; copper(l) iodide; triethylamine / tetrahydrofuran / 4.25 h / 20 °C / Inert atmosphere; Schlenk technique

3.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / ethanol / 20 h / 70 °C / Inert atmosphere; Schlenk technique

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; potassium hydroxide; In tetrahydrofuran; methanol; ethanol; water; 2.1: |Sonogashira Cross-Coupling / 3.1: |Fiesselmann Thiophene Synthesis;
DOI:10.1039/c3ob40124c