21171-83-5

Upstream product

• 52240-72-9 6-(4-bromo-phenyl)-5-methyl-4,5-dihydro-2H-pyridazin-3-one 
• 21004-68-2 6-(4-bromo-phenyl)-5-methyl-2H-pyridazin-3-one 

Downstream Products

• 67820-79-5 N'-[6-(4-bromo-phenyl)-5-methyl-pyridazin-3-yl]-hydrazinecarboxylic acid ethyl ester 

Relevant academic research and scientific papers

6-Phenyl-1,2,4-triazolo[4,3-b]pyridazines and their uses in treating anxiety

This disclosure describes novel substituted 6-phenyl-1,2,4-triazolo[4,3-b]pyridazines useful as anxiolytic agents.

Method for treating anxiety in mammals

This disclosure describes compositions of matter useful as anxiolytic agents and the method of meliorating anxiety in mammals therewith; the active ingredients of said compositions of matter being certain substituted 6-phenyl-1,2,4-triazolo[4,3-b]pyridazines or the pharmacologically acceptable acid-addition salts thereof.

6-Phenyl-1,2,4-triazolo[4,3-b]pyridazine hypotensive agents

This disclosure describes novel substituted 6-phenyl-1,2,4-triazolo[4,3-b]pyridazines useful as hypotensive agents.

Hypotensive alkyl-3-[6-(aryl)-3-pyridazinyl]-carbazates

This disclosure describes novel alkyl 3-[6-(aryl)-3-pyridazinyl]-carbazates useful as hypotensive agents in mammals. SP CROSS REFERENCE TO RELATED APPLICATIONS This application is a continuation of our copending application Ser. No. 692,254, filed June 3, 1976 now abandoned, which in turn is a continuation-in-part of our abandoned application Ser. No. 552,024, filed Feb. 24, 1975 now abandoned.