2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile

Base Information

• Chemical Name: 2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile
• CAS No.: 790240-95-8
• Molecular Formula: C₂₃H₁₉N₅O₂S
• Molecular Weight: 429.502

Synonyms:2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile

Chemical Property of 2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile

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Technology Process of 2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile

There total 1 articles about 2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-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: 80.0%

4-(chloroacetyl)antipyrine (6630-73-5) + phenyl isothiocyanate (103-72-0) + malononitrile (109-77-3) → 2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile (790240-95-8)

Guidance literature:

phenyl isothiocyanate; malononitrile; With potassium hydroxide; In water; N,N-dimethyl-formamide; at 20 ℃; for 6h;

4-(chloroacetyl)antipyrine; In water; N,N-dimethyl-formamide;

DOI:10.1080/10426500490468083

Reference yield: 70.0%

2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile (790240-95-8) → 2-[4-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-phenyl-3H-thiazol-2-ylidene]-malononitrile (790241-01-9)

Guidance literature:

With sulfuric acid; at 20 ℃; for 3h;

DOI:10.1080/10426500490468083

Reference yield: 70.0%

2-{[2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-oxo-ethylsulfanyl]-phenylamino-methylene}-malononitrile (790240-95-8) → 4-amino-5-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbonyl)-2-phenylamino-thiophene-3-carbonitrile

Guidance literature:

With piperidine; In ethanol; for 4h; Heating;

DOI:10.1080/10426500490468083

upstream raw materials:

4-(chloroacetyl)antipyrine

phenyl isothiocyanate

malononitrile

Downstream raw materials:

2-[4-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-phenyl-3H-thiazol-2-ylidene]-malononitrile

4-{2-[(3,5-Diamino-pyrazol-4-ylidene)-phenylamino-methylsulfanyl]-acetyl}-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

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