2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile

Base Information

Chemical Name:2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile
CAS No.:223390-87-2
Molecular Formula:C₅₅H₇₄N₂Si₃
Molecular Weight:847.462
Hs Code.:

2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile

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Chemical Property of 2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile

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Technology Process of 2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile

There total 10 articles about 2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile 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:

: 13329-40-3
4-Iodoacetophenone

: 223390-87-2
2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile

Guidance literature:: Multi-step reaction with 6 steps

1.1: 50 percent / methanol; acetic acid / 6 h / 20 °C

2.1: 69 percent / NH₄OAc / toluene; acetic acid / 96 h / Heating

3.1: 100 percent / Et₃N / CH₂Cl₂ / 1 h / -78 °C

4.1: Ph₃CBF₄ / 1,2-dichloro-ethane / 1 h / 80 °C

4.2: Et₃N / 1,2-dichloro-ethane; toluene / 1 h / 0 - 20 °C

4.3: 70 percent / 1,2-dichloro-ethane; toluene / 1 h / 80 °C / in dark

5.1: (i-Pr)2NH / [PdCl₂(PPh₃)2]; CuI / tetrahydrofuran / 11 h / 20 °C

6.1: CH₂Cl₂ / 25 °C / Irradiation

With ammonium acetate; trityl tetrafluoroborate; triethylamine; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; methanol; dichloromethane; acetic acid; 1,2-dichloro-ethane; toluene;
DOI:10.1002/1522-2675(20010418)84:4<743::AID-HLCA743>3.0.CO;2-1

Reference yield:

: 351459-66-0
2-(2,4,6-cycloheptatriene-1-yl)-1-(4-iodophenyl)ethanone

: 223390-87-2
2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile

Guidance literature:: Multi-step reaction with 5 steps

1.1: 69 percent / NH₄OAc / toluene; acetic acid / 96 h / Heating

2.1: 100 percent / Et₃N / CH₂Cl₂ / 1 h / -78 °C

3.1: Ph₃CBF₄ / 1,2-dichloro-ethane / 1 h / 80 °C

3.2: Et₃N / 1,2-dichloro-ethane; toluene / 1 h / 0 - 20 °C

3.3: 70 percent / 1,2-dichloro-ethane; toluene / 1 h / 80 °C / in dark

4.1: (i-Pr)2NH / [PdCl₂(PPh₃)2]; CuI / tetrahydrofuran / 11 h / 20 °C

5.1: CH₂Cl₂ / 25 °C / Irradiation

With ammonium acetate; trityl tetrafluoroborate; triethylamine; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; dichloromethane; acetic acid; 1,2-dichloro-ethane; toluene;
DOI:10.1002/1522-2675(20010418)84:4<743::AID-HLCA743>3.0.CO;2-1

Reference yield:

: 148367-68-4
(E)-1,1,6,6-tetrabromo-3,4-bis<(triisopropylsilyl)ethynyl>hexa-1,3,5-triene

: 223390-87-2
2-[2-cyclohepta-2,4,6-trienylidene-1-(4-{6-triisopropylsilanyl-3,4-bis-[(triisopropylsilanyl)-ethynyl]-hex-3-ene-1,5-diynyl}-phenyl)-ethylidene]-malononitrile

Guidance literature:: Multi-step reaction with 5 steps

1.1: BuLi; (i-Pr)2NH / hexane; tetrahydrofuran / 0.25 h / -78 °C

2.1: hexane; tetrahydrofuran / -78 - 0 °C

3.1: BuLi; (i-Pr)2NH / hexane; tetrahydrofuran / 0.25 h / -78 °C

3.2: sat. aq. NH₄Cl

4.1: (i-Pr)2NH / [PdCl₂(PPh₃)2]; CuI / tetrahydrofuran / 11 h / 20 °C

5.1: CH₂Cl₂ / 25 °C / Irradiation

With n-butyllithium; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; hexane; dichloromethane;
DOI:10.1002/1522-2675(20010418)84:4<743::AID-HLCA743>3.0.CO;2-1