76973-37-0

Basic information

• Product Name: 6-amino-3-methyl-1-(4-nitrophenyl)-4-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
• Synonyms: 6-amino-3-methyl-1-(4-nitrophenyl)-4-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
• CAS NO: 76973-37-0
• Molecular Weight: 373.371
• Mol File: 76973-37-0.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 6-amino-3-methyl-1-(4-nitrophenyl)-4-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile(CAS DataBase Reference)
• NIST Chemistry Reference: 6-amino-3-methyl-1-(4-nitrophenyl)-4-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile(76973-37-0)
• EPA Substance Registry System: 6-amino-3-methyl-1-(4-nitrophenyl)-4-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile(76973-37-0)

Safety Data

• Hazardous Substances Data: 76973-37-0(Hazardous Substances Data)

Upstream product

• 141-97-9 ethyl acetoacetate 
• 100-52-7 benzaldehyde 
• 109-77-3 malononitrile 
• 6402-09-1 1-(4'-nitrophenyl)-3-methyl-5-pyrazolone 
• 85921-20-6 (Z)-4-Benzyliden-3-methyl-1-(4-nitrophenyl)-1H-pyrazol-5(4H)-on 

Relevant articles and documents

Synthesis of pyranopyrazoles using isonicotinic acid as a dual and biological organocatalyst

In this study, a green, simple and efficient method for the preparation of 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c] pyrazoles by means of a one-pot four component condensation reaction of aryl aldehydes, ethyl acetoacetate, malononitrile and hydrazine hydrate is reported. The reaction utilizes isonicotinic acid as a dual and biological organocatalyst at 85 °C under solvent-free conditions.