855784-90-6Relevant academic research and scientific papers
Synthesis of some heterocyclic systems of anticipated biological activities via 6-aryl-4-pyrazol-1-yl-pyridazin-3-one
Youssef,Marzouk,Madkour,El-Soll,El-Hashash
, p. 251 - 259 (2005)
6-Aryl-4-pyrazol-1-yl-pyridazin-3-one (1) reacted with a PCl 5-POCl3 mixture to give the 3-chloropyridazine derivative 3. Reaction of 3 with 2-hydroxybenzoylhydrazide and semicarbazide hydrochloride afforded 4 and 5. Reaction of 1 wi
