5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

Base Information

Chemical Name:5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone
CAS No.:1351758-10-5
Molecular Formula:C₂₃H₁₉N₃O₄S
Molecular Weight:433.488
Hs Code.:

Synonyms:5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

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Chemical Property of 5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

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Technology Process of 5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

There total 4 articles about 5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone 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: 75.0%

: 1351758-06-9
5-formyl-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

: 372-09-8
cyanoacetic acid

: 1351758-10-5
5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

Guidance literature:: With piperidine; In acetonitrile; at 80 ℃; for 24h; Inert atmosphere;
DOI:10.1016/j.dyepig.2011.08.014

Reference yield:

: 51792-34-8
2,3-dimethoxythiophene

: 1351758-10-5
5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

Guidance literature:: Multi-step reaction with 4 steps

1: trichlorophosphate / 4.5 h / 20 °C / Inert atmosphere; Reflux

2: sodium acetate / tetrahydrofuran; methanol / 24 h / Inert atmosphere; Reflux

3: trichlorophosphate / 4.5 h / 20 °C / Inert atmosphere; Reflux

4: piperidine / acetonitrile / 24 h / 80 °C / Inert atmosphere

With piperidine; sodium acetate; trichlorophosphate; In tetrahydrofuran; methanol; acetonitrile;
DOI:10.1016/j.dyepig.2011.08.014

Reference yield:

: 51792-38-2
3,4-dimethoxythiophene-2-carbaldehyde

: 1351758-10-5
5-(2-cyanoacrylic acid-3-yl)-3,4-dimethyloxythiophene-2-carbaldehyde-N,N-diphenylhydrazone

Guidance literature:: Multi-step reaction with 3 steps

1: sodium acetate / tetrahydrofuran; methanol / 24 h / Inert atmosphere; Reflux

2: trichlorophosphate / 4.5 h / 20 °C / Inert atmosphere; Reflux

3: piperidine / acetonitrile / 24 h / 80 °C / Inert atmosphere

With piperidine; sodium acetate; trichlorophosphate; In tetrahydrofuran; methanol; acetonitrile;
DOI:10.1016/j.dyepig.2011.08.014