1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene

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Chemical Name:1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene
CAS No.:936824-39-4
Molecular Formula:C₃₉H₄₆F₆S₄Si₂
Molecular Weight:813.22
Hs Code.:

Synonyms:1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene

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Chemical Property of 1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene

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Technology Process of 1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene

There total 5 articles about 1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene 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: 22.0%

: 936824-44-1
3-bromo-2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)thiophene

: 559-40-0
octaperfluorocyclopentene

: 936824-39-4
1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene

Guidance literature:: 3-bromo-2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)thiophene; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 0.5h;

octaperfluorocyclopentene; In tetrahydrofuran; at -78 - 20 ℃; Further stages.;
DOI:10.1039/b617246f

Reference yield:

: 63862-00-0
2,4-dibromo-3,5-dimethylthiophene

: 936824-39-4
1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene

Guidance literature:: Multi-step reaction with 4 steps

1.1: 50 percent / aq. Na₂CO₃ / Pd(PPh₃)4 / tetrahydrofuran / 80 °C

2.1: sodium t-butylthiolate / dimethylformamide / 6 h / Heating

2.2: 63 percent / aq. hydrochloric acid / tetrahydrofuran / 20 °C

3.1: sodium hydride / dimethylformamide / 1 h / 20 °C

3.2: 83 percent / dimethylformamide / 20 °C

4.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C

4.2: 22 percent / tetrahydrofuran / -78 - 20 °C

With n-butyllithium; sodium hydride; sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1039/b617246f

Reference yield:

: 98546-51-1
(4-thiomethoxyphenyl)boronic acid

: 936824-39-4
1,2-bis(2,4-dimethyl-5-(4-trimethylsilylethylthio-phenyl)-3-thienyl)hexafluorocyclopentene

Guidance literature:: Multi-step reaction with 4 steps

1.1: 50 percent / aq. Na₂CO₃ / Pd(PPh₃)4 / tetrahydrofuran / 80 °C

2.1: sodium t-butylthiolate / dimethylformamide / 6 h / Heating

2.2: 63 percent / aq. hydrochloric acid / tetrahydrofuran / 20 °C

3.1: sodium hydride / dimethylformamide / 1 h / 20 °C

3.2: 83 percent / dimethylformamide / 20 °C

4.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C

4.2: 22 percent / tetrahydrofuran / -78 - 20 °C

With n-butyllithium; sodium hydride; sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1039/b617246f