5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl

Base Information

Chemical Name:5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl
CAS No.:141753-73-3
Molecular Formula:C₈₂H₁₀₆O₄S₄Si₆
Molecular Weight:1452.52
Hs Code.:

Synonyms:5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl

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Chemical Property of 5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl

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Technology Process of 5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl

There total 6 articles about 5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl 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: 75.0%

: 141753-70-0
2-[5,5-Bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-5-bromo-thiophene

: 2-[5,5-Bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-5-tributylstannanyl-thiophene

: 141753-73-3
5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; In tetrahydrofuran; at 65 ℃; for 144h;
DOI:10.1021/ja00040a063

Reference yield:

: 63104-44-9
dimethyl 2,2-di(prop-2-ynyl)malonate

: 141753-73-3
5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl

Guidance literature:: Multi-step reaction with 6 steps

1: 54 percent / LAH / diethyl ether

2: 95 percent / Et₃N, DMAP / CH₂Cl₂

3: 96 percent / PdCl₂(PPh₃)2, CuI, Et₂NH

4: 40 percent / Ni(acac)2, PEt₃, DIBAH / cyclohexane; tetrahydrofuran / 10 h / 80 °C

5: 56 percent / NBS / dimethylformamide / Ambient temperature

6: 75 percent / PdCl₂(PPh₃)2 / tetrahydrofuran / 144 h / 65 °C

With dmap; bis-triphenylphosphine-palladium(II) chloride; bis(acetylacetonate)nickel(II); N-Bromosuccinimide; copper(l) iodide; lithium aluminium tetrahydride; diisobutylaluminium hydride; diethylamine; triethylamine; triethylphosphine; In tetrahydrofuran; diethyl ether; dichloromethane; cyclohexane; N,N-dimethyl-formamide;
DOI:10.1021/ja00040a063

Reference yield:

: 153953-34-5
2,2-dipropargyl-1,3-propandiol

: 141753-73-3
5,5'-Bis-[5,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-diphenyl-3-thiophen-2-yl-2,4,5,6-tetrahydro-2-sila-pentalen-1-yl]-[2,2']bithiophenyl

Guidance literature:: Multi-step reaction with 5 steps

1: 95 percent / Et₃N, DMAP / CH₂Cl₂

2: 96 percent / PdCl₂(PPh₃)2, CuI, Et₂NH

3: 40 percent / Ni(acac)2, PEt₃, DIBAH / cyclohexane; tetrahydrofuran / 10 h / 80 °C

4: 56 percent / NBS / dimethylformamide / Ambient temperature

5: 75 percent / PdCl₂(PPh₃)2 / tetrahydrofuran / 144 h / 65 °C

With dmap; bis-triphenylphosphine-palladium(II) chloride; bis(acetylacetonate)nickel(II); N-Bromosuccinimide; copper(l) iodide; diisobutylaluminium hydride; diethylamine; triethylamine; triethylphosphine; In tetrahydrofuran; dichloromethane; cyclohexane; N,N-dimethyl-formamide;
DOI:10.1021/ja00040a063