106684-90-6Relevant articles and documents
A Convenient Synthesis of 3-Formyl-2-oxo-1,2-dihydroquinoxaline Chlorophenylhydrazones: Novel Tautomeric Equilibria between Hydrazone Imine and Diazenyl Enamine Forms with Long-range Prototropy
Kurasawa, Yoshihisa,Yamazaki, Kaoru,Tajima, Setsuko,Okamoto, Yoshihisa,Takada, Atsushi
, p. 957 - 958 (2007/10/02)
3-Formyl-2-oxo-1,2-dihydroquinoxaline chlorophenylhydrazones 4a-c were synthesized from the reactions of 3-methyl-2-oxo-1,2-dihydroquinoxaline 3 with chlorophenyl diazonium salts, and 4b,c were found to exhibit the tautomeric equilibria between the hydrazone imine and diazenyl enamine forms in the dimethylsulfoxide solutions.