Yu. B. Chudinov, S. B. Gashev, S. I. Firgang
Aug 1, 2007
Citations
0
Influential Citations
2
Citations
Journal
Russian Chemical Bulletin
Abstract
Treatment of 3-hydroxy-3-(3-pyridyl)butan-2-one hydrazone with polyphosphoric acid gave 1-amino-2,3-dimethyl-1H-pyrrolo[2,3-b]pyridine. An analogous reaction with 2,4-dinitrophenylhydrazone of the same ketone yielded 1-(2,4-dinitrophenyl)-3-methyl-4-(3-pyridyl)pyrazole.