2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

Base Information

Chemical Name:2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile
CAS No.:920530-70-7
Molecular Formula:C₁₈H₁₁N₃
Molecular Weight:269.305
Hs Code.:

Synonyms:2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

Suppliers and Price of 2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of 2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

There total 6 articles about 2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-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:

: 860806-27-5
2-(1-{[4-(dimethylamino)phenyl]ethynyl}-5-(trimethylsilyl)penta-2,4-diynylidene)malononitrile

: 920530-70-7
2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

Guidance literature:: With methanol; In tetrahydrofuran; at 20 ℃; for 0.5h;
DOI:10.1002/chem.200500082

Reference yield:

: 860806-33-3
1-[4-(dimethylamino)phenyl]-5-(trimethylsilyl)penta-1,4-diyn-3-ol

: 920530-70-7
2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

Guidance literature:: Multi-step reaction with 5 steps

1: 84 percent / MnO₂ / diethyl ether / 14 h / 20 °C

2: 77 percent / Al₂O₃ / CH₂Cl₂ / 1 h / Heating

3: MeOH / tetrahydrofuran / 1 h / 20 °C

4: 7.6 mg / CuI; TMEDA / 0.33 h / 20 °C

5: MeOH / tetrahydrofuran / 0.5 h / 20 °C

With methanol; manganese(IV) oxide; aluminum oxide; copper(l) iodide; N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; diethyl ether; dichloromethane; 2: Knoevenagel reaction;
DOI:10.1002/chem.200500082

Reference yield:

: 17573-94-3,752235-18-0
4-ethynyl-N,N-dimethylaniline

: 920530-70-7
2-[1-(4-dimethylamino-phenylethynyl)-penta-2,4-diynylidene]-malononitrile

Guidance literature:: Multi-step reaction with 6 steps

1.1: n-BuLi / tetrahydrofuran; hexane / 0.25 h / -15 °C

1.2: 80 percent / tetrahydrofuran; hexane / 2 h / -15 °C

2.1: 84 percent / MnO₂ / diethyl ether / 14 h / 20 °C

3.1: 77 percent / Al₂O₃ / CH₂Cl₂ / 1 h / Heating

4.1: MeOH / tetrahydrofuran / 1 h / 20 °C

5.1: 7.6 mg / CuI; TMEDA / 0.33 h / 20 °C

6.1: MeOH / tetrahydrofuran / 0.5 h / 20 °C

With methanol; manganese(IV) oxide; aluminum oxide; copper(l) iodide; n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; diethyl ether; hexane; dichloromethane; 3.1: Knoevenagel reaction;
DOI:10.1002/chem.200500082