129109-49-5

Upstream product

• 77510-25-9 bis(2,4,6-trichlorophenyl)butylmalonate 
• 129109-26-8 5-Amino-6-methoxycarbonyl-2-phenylpyridazin-3(2H)-one 
• 129109-21-3 4-Azido-6-oxo-1-phenyl-1,6-dihydro-pyridazine-3-carboxylic acid methyl ester 
• 121582-53-4 methyl 2-phenyl-5-hydroxy-3-oxo-2,3-dihydropyridazine-6-carboxylate 
• 129109-17-7 methyl 5-chloro-3-oxo-2-phenyl-2,3-dihydropyridazine-6-carboxylate 

Relevant academic research and scientific papers

Pyridazines with Heteroatom Substituents in Position 3 and 5. 6. SN Reactions in Position 5 of 2-Aryl-5-hydroxypyridazin-3(2H)-ones

The nucleophilic introduction of chloro- (2), azido- (4), (substituted) amino (3,6), mercapto (10) and hydrazino-groups (13) into 2-aryl-5-hydroxypyridazin-3(2H)-ones is described.The 5-aminopyridazin-3(2H)-one (6) also reacts with activated malonates 8 t