4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane

Base Information

Chemical Name:4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane
CAS No.:1286685-49-1
Molecular Formula:C₂₅H₂₆O₂S₂
Molecular Weight:422.612
Hs Code.:

Synonyms:4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane

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Chemical Property of 4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane

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Technology Process of 4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane

There total 9 articles about 4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane 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: 100.0%

: 1286685-13-9
triphenyl-[5-(4,4,5,5-tetra-methyl[1,3]dioxolan-2-yl)thiophen-2-yl-methyl]phosphanechloride

: 99698-10-9
5-[(E)-2-phenylethenyl]thiophene-2-carbaldehyde

: 1286685-49-1
4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane

Guidance literature:: With sodium methylate; In ethanol; at 20 ℃; for 1h; Inert atmosphere;
DOI:10.1002/adfm.201001893

Reference yield:

: 98-03-3
thiophene-2-carbaldehyde

: 1286685-49-1
4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane

Guidance literature:: Multi-step reaction with 6 steps

1: toluene-4-sulfonic acid / benzene / 72 h / Reflux

2: n-butyllithium / tetrahydrofuran; hexane / 5 h / 0 - 20 °C

3: sodium tetrahydroborate / tetrahydrofuran / 0.5 h / 20 °C / Inert atmosphere

4: thionyl chloride / 3 h / Reflux; Inert atmosphere

5: tetrahydrofuran / 72 h / Inert atmosphere; Reflux

6: sodium methylate / ethanol / 1 h / 20 °C / Inert atmosphere

With sodium tetrahydroborate; n-butyllithium; thionyl chloride; sodium methylate; toluene-4-sulfonic acid; In tetrahydrofuran; ethanol; hexane; benzene; 6: Wittig reaction;
DOI:10.1002/adfm.201001893

Reference yield:

: 1286685-18-4
4,4,5,5-tetramethyl-2-thiophen-2-yl-[1,3]dioxalane

: 1286685-49-1
4,4,5,5-tetramethyl-2-{5-[2-(5-styryl-thiophen-2-yl)-vinyl]-thiophen-2-yl}[1,3]dioxolane

Guidance literature:: Multi-step reaction with 5 steps

1: n-butyllithium / tetrahydrofuran; hexane / 5 h / 0 - 20 °C

2: sodium tetrahydroborate / tetrahydrofuran / 0.5 h / 20 °C / Inert atmosphere

3: thionyl chloride / 3 h / Reflux; Inert atmosphere

4: tetrahydrofuran / 72 h / Inert atmosphere; Reflux

5: sodium methylate / ethanol / 1 h / 20 °C / Inert atmosphere

With sodium tetrahydroborate; n-butyllithium; thionyl chloride; sodium methylate; In tetrahydrofuran; ethanol; hexane; 5: Wittig reaction;
DOI:10.1002/adfm.201001893