66548-48-9

Upstream product

• 36725-30-1 5-methyl-6-(3-nitrophenyl)-4,5-dihydro-2H-pyridazin-3-one 
• 66548-47-8 5-methyl-6-(3-nitro-phenyl)-2H-pyridazin-3-one 

Downstream Products

• 67820-89-7 N'-[5-methyl-6-(3-nitro-phenyl)-pyridazin-3-yl]-hydrazinecarboxylic acid tert-butyl ester 

Relevant academic research and scientific papers

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.

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.