5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol

Base Information

Chemical Name:5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol
CAS No.:1268160-42-4
Molecular Formula:C₄₂H₅₄O₂S₄
Molecular Weight:719.154
Hs Code.:

Synonyms:5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol

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Chemical Property of 5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol

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Technology Process of 5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol

There total 5 articles about 5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol 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: 99.0%

: 1268160-18-4
S,S',S'',S'''-{5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis(benzene-5,3,1-triyl)}tetrakis(methylene)tetraethanethioate

: 1268160-42-4
5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol

Guidance literature:: With methanol; sulfuric acid; In dichloromethane; at 50 ℃; for 12h; Inert atmosphere;
DOI:10.1002/ejoc.201001049

Reference yield:

: 1268160-01-5
S,S'-(5-bromo-1,3-phenylene)bis(methylene)diethanethioate

: 1268160-42-4
5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol

Guidance literature:: Multi-step reaction with 4 steps

1: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / 3 h / 60 °C / Inert atmosphere

2: tetrabutyl ammonium fluoride / tetrahydrofuran / -20 - 20 °C / Inert atmosphere

3: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / 60 °C / Inert atmosphere

4: methanol; sulfuric acid / dichloromethane / 12 h / 50 °C / Inert atmosphere

With methanol; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; sulfuric acid; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane; 1: Cassar-Heck-Sonogashira reaction / 3: Cassar-Heck-Sonogashira reaction;
DOI:10.1002/ejoc.201001049

Reference yield:

: 1268160-02-6
S,S'-(5-(trimethylsilylethynyl)-1,3-phenylene)bis(methylene)diethanethioate

: 1268160-42-4
5,5'-[2,5-bis(octyloxy)-1,4-phenylene]bis(ethyne-2,1-diyl)bis-(benzene-5,3,1-triyl)tetramethanethiol

Guidance literature:: Multi-step reaction with 3 steps

1: tetrabutyl ammonium fluoride / tetrahydrofuran / -20 - 20 °C / Inert atmosphere

2: copper(l) iodide; bis-triphenylphosphine-palladium(II) chloride; triethylamine / 60 °C / Inert atmosphere

3: methanol; sulfuric acid / dichloromethane / 12 h / 50 °C / Inert atmosphere

With methanol; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; sulfuric acid; tetrabutyl ammonium fluoride; triethylamine; In tetrahydrofuran; dichloromethane; 2: Cassar-Heck-Sonogashira reaction;
DOI:10.1002/ejoc.201001049