4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

Base Information

Chemical Name:4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl
CAS No.:450371-38-7
Molecular Formula:C₅₄H₆₈Br₂
Molecular Weight:876.942
Hs Code.:

Synonyms:4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

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Chemical Property of 4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

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Technology Process of 4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

There total 1 articles about 4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl 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: 83.0%

: 19053-14-6
4,4''-diiodo-1,1':4',1''-terphenyl

: 4-bromo-2,5-di-n-hexylbenzeneboronic acid

: 450371-38-7
4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

Guidance literature:: With sodium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In toluene; at 20 ℃; for 48h;
DOI:10.1021/jo0257750

Reference yield: 92.0%

: 450371-38-7
4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

: 450371-41-2
4,4''''-diiodo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

Guidance literature:: 4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl; With tert.-butyl lithium; In tetrahydrofuran; pentane; at -78 ℃; for 0.833333h;

With iodine; In tetrahydrofuran; pentane; at -78 - 20 ℃; Further stages.;
DOI:10.1021/jo0257750

Reference yield:

: 450371-38-7
4,4''''-dibromo-2,5,2'''',5''''-tetrahexyl-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl

: 450371-57-0
4,4,5,5-tetramethyl-2-(2,5,2'''',5''''-tetrahexyl-4''''-iodo-[1,1';4',1'';4'',1''';4''',1'''']quinquephenyl-4-yl)-[1,3,2]dioxaborolane

Guidance literature:: Multi-step reaction with 2 steps

1.1: t-BuLi / tetrahydrofuran; pentane / 0.83 h / -78 °C

1.2: 92 percent / I₂ / tetrahydrofuran; pentane / -78 - 20 °C

2.1: 25 percent / KOAc / PdCl₂(dppf) / dimethylsulfoxide / 90 °C

With tert.-butyl lithium; potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In tetrahydrofuran; dimethyl sulfoxide; pentane; 2.1: Ishiyama-Miyaura reaction;
DOI:10.1021/jo0257750