1620671-67-1

Basic information

• Product Name: C₂₀H₂₁N₃O₃
• Synonyms: C₂₀H₂₁N₃O₃
• CAS NO: 1620671-67-1
• Molecular Weight: 351.405
• Mol File: 1620671-67-1.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: C₂₀H₂₁N₃O₃(CAS DataBase Reference)
• NIST Chemistry Reference: C₂₀H₂₁N₃O₃(1620671-67-1)
• EPA Substance Registry System: C₂₀H₂₁N₃O₃(1620671-67-1)

Safety Data

• Hazardous Substances Data: 1620671-67-1(Hazardous Substances Data)

Upstream product

• 28710-96-5 5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester 
• 5153-67-3 nitrostyrene 
• 1610360-01-4 ethyl 4-(2-nitro-1-phenylethyl)-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-3-carboxylate 

Downstream Products

• 1610360-21-8 6-benzyl-2,4-diphenyl-5,6-dihydro-1H-pyrazolo[3,4-c]pyridine-3,7(2H,4H)-dione 
• 1610360-20-7 C₂₇H₂₇N₃O₃ 

Relevant articles and documents

Synthetic protocol toward fused pyrazolone derivatives via a michael addition and reductive ring closing strategy

A new class of pyrazolo[3,4-c]pyridine-3,7-dione and pyrazolo[3,4-d] azepine-3,7-dione scaffolds was synthesized via a Michael addition and reductive cyclization strategy. These fused heterocycles were accessed from simple starting materials such as nitroolefins and 3-ethoxycarbonyl(methylene) pyrazoline-5-one. The pyrazolo-fused heterocycles were obtained in good overall yields.