(E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid

Base Information

Chemical Name:(E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid
CAS No.:1401100-12-6
Molecular Formula:C₄₁H₃₂N₂O₂
Molecular Weight:584.717
Hs Code.:

Synonyms:(E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid

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Chemical Property of (E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid

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Technology Process of (E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid

There total 3 articles about (E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid 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: 68.0%

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

: 372-09-8
cyanoacetic acid

: 1401100-12-6
(E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid

Guidance literature:: With ammonium acetate; acetic acid; for 12h; Inert atmosphere; Schlenk technique; Reflux;
DOI:10.1016/j.dyepig.2012.06.004

Reference yield:

: 1122-91-4
4-bromo-benzaldehyde

: 1401100-12-6
(E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid

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: ammonium acetate; acetic acid / 12 h / Inert atmosphere; Schlenk technique; Reflux

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

Reference yield:

: 947402-75-7
9,9-diethyl-7-ethynyl-N,N-diphenyl-9H-fluoren-2-amine

: 1401100-12-6
(E)-2-cyano-3-{4-[2-(7-(diphenylamino)-9,9-diethyl-9H-fluoren-2-yl)ethynyl]phenyl}acrylic acid

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: ammonium acetate; acetic acid / 12 h / Inert atmosphere; Schlenk technique; Reflux

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