2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile

Base Information

Chemical Name:2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile
CAS No.:1401464-92-3
Molecular Formula:C₂₃H₂₂N₂Si
Molecular Weight:354.527
Hs Code.:

Synonyms:2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile

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Chemical Property of 2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile

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Technology Process of 2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile

There total 2 articles about 2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)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: 85.0%

: 1401464-91-2
2-(1-(4-((trimethylsilyl)ethynyl)phenyl)ethylidene)malononitrile

: 27081-10-3
tropylium tetrafluoroborate

: 1401464-92-3
2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile

Guidance literature:: With triethylamine; In dichloromethane; at -78 ℃; for 1.16667h; Inert atmosphere;
DOI:10.1021/jo301306y

Reference yield:

: 75883-03-3
4'-(2-trimethylsilylethynyl)acetophenone

: 1401464-92-3
2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile

Guidance literature:: Multi-step reaction with 2 steps

1: acetic acid; ammonium acetate / toluene / 2 h / Reflux

2: triethylamine / dichloromethane / 1.17 h / -78 °C / Inert atmosphere

With ammonium acetate; acetic acid; triethylamine; In dichloromethane; toluene; 1: |Knoevenagel Condensation;
DOI:10.1021/jo301306y

Reference yield: 48.0%

: 1401464-92-3
2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile

: 1401464-93-4
2-[(4-(trimethylsilylethynyl)phenyl)]-1,8a-dihydroazulene-1,1-dicarbonitrile

Guidance literature:: 2-{(2-cyclohepta-2,4,6-trienyl)-1-[4-(trimethylsilylethynyl)phenyl]ethylidene}malononitrile; With trityl tetrafluoroborate; In dichloromethane; at 20 ℃; for 16h;

With triethylamine; In dichloromethane; at 0 - 20 ℃;

In acetonitrile; at 50 ℃; for 0.5h;
DOI:10.1021/jo301306y