2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid

Base Information

Chemical Name:2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid
CAS No.:1376711-87-3
Molecular Formula:C₃₉H₂₆N₂O₅S₃
Molecular Weight:698.844
Hs Code.:

2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid

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Chemical Property of 2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid

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Technology Process of 2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid

There total 5 articles about 2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}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: 55.0%

: 1376711-84-0
6-{5-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxythiophene-2-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-carbaldehyde

: 372-09-8
cyanoacetic acid

: 1376711-87-3
2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid

Guidance literature:: With piperidine; In chloroform; Reflux; Inert atmosphere;
DOI:10.1016/j.dyepig.2012.03.002

Reference yield: 55.0%

: 1376711-87-3
2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid

Guidance literature:: With piperidine; In chloroform; for 12h; Inert atmosphere; Reflux;

Reference yield:

: 25796-77-4
4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one

: 1376711-87-3
2-cyano-3-{6-{2-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-3,4-ethylenedioxy thiophen-5-yl}-4H-cyclopenta[2,1-b:3,4-b']dithiophen-4-one-2-yl}acrylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: trichlorophosphate / 1,2-dichloro-ethane / 6 h / 0 - 80 °C

2: N-Bromosuccinimide / N,N-dimethyl-formamide / 12 h / 20 °C / Inert atmosphere; Darkness

3: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / toluene / 24 h / Reflux; Inert atmosphere

4: piperidine / chloroform / Reflux; Inert atmosphere

With piperidine; N-Bromosuccinimide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; trichlorophosphate; In chloroform; 1,2-dichloro-ethane; N,N-dimethyl-formamide; toluene; 3: Stille coupling;
DOI:10.1016/j.dyepig.2012.03.002