2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile

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Chemical Name:2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile
CAS No.:1267604-86-3
Molecular Formula:C₂₈H₃₄N₄O₃
Molecular Weight:474.603
Hs Code.:

Synonyms:2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile

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Chemical Property of 2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile

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Technology Process of 2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile

There total 4 articles about 2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile 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%

: 1267605-59-3
4-dibutylamino-2,6-dimethoxybenzaldehyde

: 171082-32-9
2-dicyanomethylidene-3-cyano-4,5,5-trimethyl-2,5-dihydrofuran

: 1267604-86-3
2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile

Guidance literature:: With triethylamine; In ethanol; at 70 ℃; for 2h;
DOI:10.1016/j.dyepig.2016.04.023

Reference yield:

: 93160-52-2
Dibutyl-(3,5-dimethoxy-phenyl)-amine

: 1267604-86-3
2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile

Guidance literature:: Multi-step reaction with 2 steps

1.1: trichlorophosphate / 2 h / 0 °C

1.2: 5 h / 0 - 20 °C

2.1: triethylamine / ethanol / 2 h / 70 °C

With triethylamine; trichlorophosphate; In ethanol; 1.1: |Vilsmeier Reaction / 1.2: |Vilsmeier Reaction / 2.1: |Knoevenagel Condensation;
DOI:10.1016/j.dyepig.2016.04.023

Reference yield:

: 10272-07-8
3.5-dimethoxyaniline

: 1267604-86-3
2-{4-[2-(4-dibutylamino-2,6-dimethoxyphenyl)vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene}propanedinitrile

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium carbonate; 18-crown-6 ether / acetonitrile / 24 h / Reflux; Inert atmosphere

2.1: trichlorophosphate / 2 h / 0 °C

2.2: 5 h / 0 - 20 °C

3.1: triethylamine / ethanol / 2 h / 70 °C

With 18-crown-6 ether; potassium carbonate; triethylamine; trichlorophosphate; In ethanol; acetonitrile; 2.1: |Vilsmeier Reaction / 2.2: |Vilsmeier Reaction / 3.1: |Knoevenagel Condensation;
DOI:10.1016/j.dyepig.2016.04.023