2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}malononitrile

Base Information

Chemical Name:2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}malononitrile
CAS No.:1401100-16-0
Molecular Formula:C₄₁H₃₁N₃
Molecular Weight:565.717
Hs Code.:

Synonyms:2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}malononitrile

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Chemical Property of 2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}malononitrile

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Technology Process of 2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}malononitrile

There total 2 articles about 2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}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: 69.0%

: 1401100-09-1
4-{2-[7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl]ethynyl}benzaldehyde

: 109-77-3
malononitrile

: 1401100-16-0
2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}malononitrile

Guidance literature:: With piperidine; In ethanol; for 12h; Inert atmosphere; Schlenk technique; Reflux;
DOI:10.1016/j.dyepig.2012.06.004

Reference yield:

: 1122-91-4
4-bromo-benzaldehyde

: 1401100-16-0
2-{[4-(2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl)phenyl]methylene}malononitrile

Guidance literature:: Multi-step reaction with 2 steps

1: triphenylphosphine; copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride / 24 h / 95 °C / Inert atmosphere; Schlenk technique

2: piperidine / ethanol / 12 h / Inert atmosphere; Schlenk technique; Reflux

With piperidine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine; In ethanol; 1: |Sonogashira Cross-Coupling / 2: |Knoevenagel Condensation;
DOI:10.1016/j.dyepig.2012.06.004