Synthesis and Structure Determination of 6-Chloro-1,2,4-triazolo[ 4,3-b ]pyrido[2,3-d] and [3,2-d]pyridazines

Faculty of Science, Assint University (Qena), Egypt Faculty of Science, Ain Shams University, Egypt Manuscript received 18 April 1988, accepted 12 October 1988 5,8-Dichloropyrido[2,3-d)pyridazine when treated with hydrazine hydrate gave a mixture of 5-chloro-8-hydrazino- and 8-chloro-5-hydrazinopyrido[2,3-d]pyridazines wbich when allowed to react with formic acid gave 6-chloro-1,2,4-triazolo[4,3-b)pyrido- (2,3-d) and [3,2-d]pyridazines.

Keywords

Hydrazino, formic acid has been used for the cyclisation, Pyridopyridazine, hydrazine hydrate gave a mixture of 5-chloro-8-hydrazino- and 8-chloro-5-hydrazinopyrido[2,3-d]pyridazines, CONDENSED triazoles possess a variety of pharmacological activities, Hydrazinopyrido

Impact byBIP!

	selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	0
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average