2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile

Base Information

• Chemical Name: 2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile
• CAS No.: 84921-03-9
• Molecular Formula: C₁₅H₁₂N₄O
• Molecular Weight: 264.286

Synonyms:2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile

Chemical Property of 2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile

Chemical Property:

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Technology Process of 2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile

There total 1 articles about 2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-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: 86.0%

4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one (950-81-2) + malononitrile (109-77-3) → 2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile (84921-03-9)

Guidance literature:

In ethanol; acetic acid; for 15h; Heating;

DOI:10.1002/ardp.200700121

Reference yield: 89.0%

2-cyanomethyl-2-thiazolin-4-one (74246-64-3) + 2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile (84921-03-9) → 3-Phenazonyl-2-(4-oxo-2-thiazolin-2-yl)-acrylonitril

Guidance literature:

With piperidine; In ethanol; for 3h; Heating;

DOI:10.1002/ardp.19873200311

Reference yield: 85.0%

2-[1-(thiophen-2-yl)ethylidene]malononitrile (10432-44-7) + 2-((2,5-Dihydro-2,3-dimethyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylene)-malononitrile (84921-03-9) → 6-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-imino-4-thiophen-2-yl-cyclohex-3-ene-1,1,3-tricarbonitrile (120131-39-7)

Guidance literature:

With pyridine; for 6h; Heating;

upstream raw materials:

4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

malononitrile

Downstream raw materials:

6-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-imino-4-thiophen-2-yl-cyclohex-3-ene-1,1,3-tricarbonitrile

2-[(E)-3-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-1-thiophen-2-yl-allylidene]-malononitrile

2-[(E)-3-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-1-phenyl-allylidene]-malononitrile

6-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-imino-4-phenyl-cyclohex-3-ene-1,1,3-tricarbonitrile

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