54719-43-6

Basic information

• Product Name: 4,4-Dimethyl-1,2-diphenyl-3,5-pyrazolidinedione
• Synonyms: 4,4-Dimethyl-1,2-diphenyl-3,5-pyrazolidinedione
• CAS NO: 54719-43-6
• Molecular Formula: C₁₇H₁₆N₂O₂
• Molecular Weight: 280.32
• Mol File: 54719-43-6.mol
• Article Data: 1

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 4,4-Dimethyl-1,2-diphenyl-3,5-pyrazolidinedione(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4-Dimethyl-1,2-diphenyl-3,5-pyrazolidinedione(54719-43-6)
• EPA Substance Registry System: 4,4-Dimethyl-1,2-diphenyl-3,5-pyrazolidinedione(54719-43-6)

Safety Data

• Hazardous Substances Data: 54719-43-6(Hazardous Substances Data)

Upstream product

• 122-66-7 diphenyl hydrazine 
• 595-46-0 2,2-dimethylmalonic acid 
• 42391-32-2 4-methyl-1,2-diphenyl-3,5-pyrazolidinedione 
• 74-88-4 methyl iodide 

Relevant articles and documents

Consequent Construction of C-C and C-N Bonds via Palladium-Catalyzed Dual C-H Activation: Synthesis of Benzo[ c]cinnoline Derivatives

A highly efficient palladium-catalyzed cascade annulation of pyrazolones and aryl iodides to access various benzo[c]cinnoline derivatives has been achieved at 80 °C. A pyridine-type ligand could improve the reaction efficiency under current reaction conditions, giving a higher product yield up to 94%. This novel approach provided a one-pot dual C-H activation strategy with good functional group tolerance, such as halogen, methoxy, nitro, ester, phenol, and so forth. The product could readily convert into cinnoline derivatives.