1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene

Base Information

Chemical Name:1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene
CAS No.:1552276-80-8
Molecular Formula:C₅₄H₈₀Br₂O₄Si₄
Molecular Weight:1065.38
Hs Code.:

Synonyms:1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene

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Chemical Property of 1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene

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Technology Process of 1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene

There total 13 articles about 1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene 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:

: 994-30-9
triethylsilyl chloride

: C₄₂H₅₂Br₂O₄Si₂

: 1552276-80-8
1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene

Guidance literature:: With 1H-imidazole; In N,N-dimethyl-formamide; at 40 ℃; for 10h; Inert atmosphere;
DOI:10.1021/ja413214q

Reference yield:

: 994-30-9
triethylsilyl chloride

: C₄₂H₅₂Br₂O₄Si₂

: 1552276-80-8
1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene

Guidance literature:: With 1H-imidazole; In N,N-dimethyl-formamide; at 20 - 40 ℃; for 13h;
DOI:10.1002/chem.201406650

Reference yield:

: 116934-63-5
4-bromo-4'-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1,1'-biphenyl

: 1552276-80-8
1,4-bis[4-(4-bromophenyl)-1,4-bis(triethylsiloxy)-2,5-cyclohexadien-1-yl]benzene

Guidance literature:: Multi-step reaction with 6 steps

1.1: sodium hydride / tetrahydrofuran; mineral oil / 0.5 h / -78 °C / Inert atmosphere

1.2: 1 h / -78 °C / Inert atmosphere

1.3: 2 h / -78 °C / Inert atmosphere

2.1: 1H-imidazole / N,N-dimethyl-formamide / 9 h / 40 °C / Inert atmosphere

3.1: lithium hydroxide monohydrate / N,N-dimethyl-formamide / 11 h / 20 °C

4.1: [bis(acetoxy)iodo]benzene / tetrahydrofuran; acetonitrile; water / 3 h / 20 °C / Inert atmosphere

5.1: sodium hydride / tetrahydrofuran; mineral oil / 0.5 h / -78 °C / Inert atmosphere

5.2: 1 h / -78 °C / Inert atmosphere

5.3: 2.5 h / -78 °C / Inert atmosphere

6.1: 1H-imidazole / N,N-dimethyl-formamide / 10 h / 40 °C / Inert atmosphere

With 1H-imidazole; lithium hydroxide monohydrate; [bis(acetoxy)iodo]benzene; sodium hydride; In tetrahydrofuran; water; N,N-dimethyl-formamide; acetonitrile; mineral oil;
DOI:10.1021/ja413214q