211630-12-5

Upstream product

• 147779-25-7 2-benzoyl-3-pyridine carboxylic acid 
• 23439-87-4 6-hydroxy-5H-pyrrolo[3,4-b]pyridine-5,7-(6H)-dione 
• 71-43-2 benzene 
• 211630-02-3 8-phenyl-pyrido[2,3-d][1,2]oxazin-5-one 
• 699-98-9 Pyridine-2,3-dicarboxylic anhydride 
• 108-86-1 bromobenzene 
• 150348-51-9 8-phenylpyrido[2,3-d]pyridazin-5(6H)-one 

Downstream Products

• 211630-17-0 (8-phenyl-pyrido[2,3-d]pyridazin-5-yl)-hydrazine 

Relevant academic research and scientific papers

1,2,4-triazolo(4,3-b)pyrido(3,2-d)pyridazine derivatives and pharmaceutical compositions containing them

Heterocyclic compounds of formula(I), wherein R1represents a hydrogen atom or a —(CH2)m—Y group, wherein m is an integer from 0 to 4 and Y represents an alkyl, haloalkyl, alkoxy, alkoxycarbonyl, C3-C7

New synthesis of pyrido[2,3-d] and [3,2-d]oxazines

N-Hydroxyquinolinimide 1 reacts with each of aromatic arnines, hydrazine hydrate and aromatic hydrocarbons to give arylcarbamoyl pyridines 2, pyrrolopyridines 3, pyridopyridazines 4 and pyridooxazinones 5 and 6. The heterocycles 5 and 6 can be transformed