1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne

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Chemical Name:1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne
CAS No.:373596-48-6
Molecular Formula:C₉₄H₁₂₆Si₂
Molecular Weight:1312.21
Hs Code.:

Synonyms:1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne

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Chemical Property of 1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne

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Technology Process of 1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne

There total 4 articles about 1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne 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:

: 36720-94-2
1,3-di-tert-butyl-5-ethynylbenzene

: 373596-48-6
1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne

Guidance literature:: Multi-step reaction with 3 steps

1: 72 percent / NEt₃ / PdCl₂(PPh₃)2; CuI / tetrahydrofuran

2: aq. K₂CO₃ / methanol; tetrahydrofuran / 2 h / 20 °C

3: 42 mg / CuCl; TMEDA; O₂ / CH₂Cl₂

With N,N,N,N,-tetramethylethylenediamine; oxygen; potassium carbonate; triethylamine; copper(l) chloride; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; methanol; dichloromethane; 1: Sonogashira cross-coupling / 3: Hay cross-coupling reaction;
DOI:10.1002/1521-3765(20010803)7:15<3263::AID-CHEM3263>3.0.CO;2-3

Reference yield:

: 164990-17-4
3-(dibromoethylidene)-1-(triisopropylsilyl)-5-(trimethylsilyl)penta-1,4-diyne

: 373596-48-6
1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne

Guidance literature:: Multi-step reaction with 3 steps

1: 72 percent / NEt₃ / PdCl₂(PPh₃)2; CuI / tetrahydrofuran

2: aq. K₂CO₃ / methanol; tetrahydrofuran / 2 h / 20 °C

3: 42 mg / CuCl; TMEDA; O₂ / CH₂Cl₂

With N,N,N,N,-tetramethylethylenediamine; oxygen; potassium carbonate; triethylamine; copper(l) chloride; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; methanol; dichloromethane; 1: Sonogashira cross-coupling / 3: Hay cross-coupling reaction;
DOI:10.1002/1521-3765(20010803)7:15<3263::AID-CHEM3263>3.0.CO;2-3

Reference yield:

: 159461-32-2
[6-(3,5-di-tert-butyl-phenyl)-4-(3,5-di-tert-butyl-phenylethynyl)-3-ethynyl-hex-3-ene-1,5-diynyl]-triisopropyl-silane

: 373596-48-6
1,12-Bis[3,5-di(tert-butyl)phenyl]-3,10-bis{[3,5-di(tert-butyl)phenyl]ethynyl}-4,9-bis[(triisopropylsilyl)ethynyl]-dodeca-3,9-diene-1,5,7,11-tetrayne

Guidance literature:: With N,N,N,N,-tetramethylethylenediamine; oxygen; copper(l) chloride; In dichloromethane;
DOI:10.1002/1521-3765(20010803)7:15<3263::AID-CHEM3263>3.0.CO;2-3