1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene

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Chemical Name:1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene
CAS No.:636601-00-8
Molecular Formula:C₃₃H₂₆F₆O₄S₂
Molecular Weight:664.689
Hs Code.:

Synonyms:1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene

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Chemical Property of 1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene

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Technology Process of 1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene

There total 3 articles about 1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)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: 72.0%

: 559-40-0
octaperfluorocyclopentene

: 636600-98-1
3-bromo-2-methyl-5-(2-(1,3-dioxolan-2yl)phenyl)thiophene

: 636601-00-8
1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene

Guidance literature:: 3-bromo-2-methyl-5-(2-(1,3-dioxolan-2yl)phenyl)thiophene; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h;

octaperfluorocyclopentene; In tetrahydrofuran; hexane; at -78 ℃; for 5h; Further stages.;
DOI:10.1002/chem.200304947

Reference yield:

: 154566-69-5
3-bromo-2-methylthiophene-5-boronic acid

: 636601-00-8
1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene

Guidance literature:: Multi-step reaction with 3 steps

1.1: 4.1 g / aq. Na₂CO₃ / Pd(PPh₃)4 / hexane; tetrahydrofuran / 4.5 h / Heating

2.1: 96 percent / p-toluenesulfonic acid monohydrate / benzene / 7 h / Heating

3.1: nBuLi / hexane; tetrahydrofuran / 0.5 h / -78 °C

3.2: 72 percent / hexane; tetrahydrofuran / 5 h / -78 °C

With n-butyllithium; sodium carbonate; toluene-4-sulfonic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexane; benzene; 1.1: Suzuki coupling;
DOI:10.1002/chem.200304947

Reference yield:

: 29421-73-6
3,5-dibromo-2-methylthiophene

: 636601-00-8
1,2-bis(2-methyl-5-(2-(2,5-dioxolanyl)phenyl)thiophen-3-yl)hexafluorocyclopentene

Guidance literature:: Multi-step reaction with 4 steps

1.1: nBuLi / hexane; tetrahydrofuran / 1 h / -78 °C

1.2: tri-n-butyl borate / hexane; tetrahydrofuran / 2 h / -78 °C

2.1: 4.1 g / aq. Na₂CO₃ / Pd(PPh₃)4 / hexane; tetrahydrofuran / 4.5 h / Heating

3.1: 96 percent / p-toluenesulfonic acid monohydrate / benzene / 7 h / Heating

4.1: nBuLi / hexane; tetrahydrofuran / 0.5 h / -78 °C

4.2: 72 percent / hexane; tetrahydrofuran / 5 h / -78 °C

With n-butyllithium; sodium carbonate; toluene-4-sulfonic acid; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; hexane; benzene; 2.1: Suzuki coupling;
DOI:10.1002/chem.200304947