(4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol

Base Information

Chemical Name:(4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol
CAS No.:1380491-92-8
Molecular Formula:C₂₉H₂₈O₂S₂
Molecular Weight:472.672
Hs Code.:

Synonyms:(4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol

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Chemical Property of (4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol

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Technology Process of (4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol

There total 4 articles about (4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol 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: 90.0%

: 1033754-78-7
4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))dibenzaldehyde

: 1380491-92-8
(4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol

Guidance literature:: With potassium borohydride; In ethanol; water; at 20 ℃; for 1h;
DOI:10.1002/cjoc.201300246

Reference yield:

: 509083-61-8
1,2-bis[5'-di-n-butoxyboryl-2'-methylthien-3'-yl]cyclopentene

: 1380491-92-8
(4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol

Guidance literature:: Multi-step reaction with 3 steps

1: sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; ethylene glycol / water / 6 h / Reflux

2: pyridinium p-toluenesulfonate / water; acetone / 20 °C / Reflux; Inert atmosphere

3: potassium borohydride / ethanol; water / 1 h / 20 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium borohydride; pyridinium p-toluenesulfonate; sodium carbonate; ethylene glycol; In ethanol; water; acetone; 1: |Suzuki Coupling;
DOI:10.1002/cjoc.201300246

Reference yield:

: 219537-97-0
1,2-bis(5-chloro-2-methylthien-3-yl)cyclopent-1-ene

: 1380491-92-8
(4,4'-(4,4'-(cyclopentene-1,2-diyl)bis(5-methylthiophene-4,2-diyl))bis(4,1-phenylene))dimethanol

Guidance literature:: Multi-step reaction with 4 steps

1.1: n-butyllithium / hexane; tetrahydrofuran / 1 h / 0 - 20 °C / Inert atmosphere

1.2: 2 h / 20 °C / Inert atmosphere

2.1: sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; ethylene glycol / water / 6 h / Reflux

3.1: pyridinium p-toluenesulfonate / water; acetone / 20 °C / Reflux; Inert atmosphere

4.1: potassium borohydride / ethanol; water / 1 h / 20 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; potassium borohydride; pyridinium p-toluenesulfonate; sodium carbonate; ethylene glycol; In tetrahydrofuran; ethanol; hexane; water; acetone; 2.1: |Suzuki Coupling;
DOI:10.1002/cjoc.201300246