Silane, [[4-bromo-5-[(1E)-2-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]ethen yl]-1,3-phenylene]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl-

Base Information

Chemical Name:Silane, [[4-bromo-5-[(1E)-2-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]ethen yl]-1,3-phenylene]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl-
CAS No.:676596-86-4
Molecular Formula:C₃₂H₅₃BrO₃Si₃
Molecular Weight:649.932
Hs Code.:

Silane,
[[4-bromo-5-[(1E)-2-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]ethen
yl]-1,3-phenylene]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl-

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Chemical Property of Silane, [[4-bromo-5-[(1E)-2-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]ethen yl]-1,3-phenylene]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl-

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Technology Process of Silane, [[4-bromo-5-[(1E)-2-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]ethen yl]-1,3-phenylene]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl-

There total 5 articles about Silane, [[4-bromo-5-[(1E)-2-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]ethen yl]-1,3-phenylene]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl- 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:

: 120743-99-9
p-[(tert-butyldimethylsilyl)oxy]benzaldehyde

: [2-bromo-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-benzylidene]-triphenyl-λ⁵-phosphane

: 676596-86-4
2-Bromo-1,5-bis-(tert-butyl-dimethyl-silanyloxy)-3-{(E)-2-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-vinyl}-benzene

Guidance literature:: p-[(tert-butyldimethylsilyl)oxy]benzaldehyde; [2-bromo-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-benzylidene]-triphenyl-λ⁵-phosphane; With lithium diisopropyl amide; In tetrahydrofuran; at 0 - 20 ℃;

With iodine; In n-heptane; for 12h; Heating;
DOI:10.1016/j.bmcl.2003.10.038

Reference yield:

: 2150-44-9
1-carbomethoxy-3,5-dihydroxybenzene

: 676596-86-4
2-Bromo-1,5-bis-(tert-butyl-dimethyl-silanyloxy)-3-{(E)-2-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-vinyl}-benzene

Guidance literature:: Multi-step reaction with 6 steps

1.1: imidazole / CH₂Cl₂ / 2 h / 20 °C

2.1: LiAlH₄ / tetrahydrofuran / 0.08 h / 20 °C

3.1: PPh₃; CBr₄ / tetrahydrofuran / 9 h / 0 °C

4.1: NBS / CH₂Cl₂ / 1 h / 20 °C

5.1: tetrahydrofuran / Heating

6.1: LDA / tetrahydrofuran / 0 - 20 °C

6.2: I₂ / heptane / 12 h / Heating

With 1H-imidazole; N-Bromosuccinimide; lithium aluminium tetrahydride; carbon tetrabromide; triphenylphosphine; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; 6.1: Wittig condensation;
DOI:10.1016/j.bmcl.2003.10.038

Reference yield:

: 103929-84-6
[3,5-di(tert-butyldimethylsilanyloxy)phenyl]methanol

: 676596-86-4
2-Bromo-1,5-bis-(tert-butyl-dimethyl-silanyloxy)-3-{(E)-2-[4-(tert-butyl-dimethyl-silanyloxy)-phenyl]-vinyl}-benzene

Guidance literature:: Multi-step reaction with 4 steps

1.1: PPh₃; CBr₄ / tetrahydrofuran / 9 h / 0 °C

2.1: NBS / CH₂Cl₂ / 1 h / 20 °C

3.1: tetrahydrofuran / Heating

4.1: LDA / tetrahydrofuran / 0 - 20 °C

4.2: I₂ / heptane / 12 h / Heating

With N-Bromosuccinimide; carbon tetrabromide; triphenylphosphine; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane; 4.1: Wittig condensation;
DOI:10.1016/j.bmcl.2003.10.038