219948-79-5

Upstream product

• 5470-96-2 quinoline 2-carbaldehyde 
• 235-21-2 [1,2,3]triazalo[3,5-α]quinolone 
• 144930-50-7 mesityl(phenyl)iodonium triflouromethanesulfonate 
• 7463-70-9 quinoline-2-carbaldehyde hydrazone 
• 62-53-3 aniline 
• 46185-24-4 1,2,3,4-tetrahydroquinoline-2-carboxylic acid 
• 219948-76-2 4,5-dihydro-3-oxido-2-phenyl-[1,2,3]triazolo[1,5-a]quinolinium inner salt 

Relevant academic research and scientific papers

Copper-catalyzed aerobic carboxygenation and N-arylation of [1,2,3]triazolo[1,5-a]pyridines towards pyridinium triazolinone ylides

Copper-catalyzed aerobic oxyarylation of [1,2,3]triazolo[1,5-a]pyridines is developed. Notably molecular oxygen was utilized as one of the reagents and the transformation resulted in the formation of novel pyridinium triazolinone ylides. A basic mechanism for the one-pot process is proposed and further functionalization of the ylidic products were also presented.

Fused mesoionic heterocycles: Synthesis of [1,2,3]triazolo[1,5-a]quinoline, [1,2,3]triazolo[1,5-a]quinazoline, [1,2,3]triazolo[1,5-a]quinoxaline and [1,2,3]triazolo[5,1-c]benzotriazine derivatives

General methods are descibed for the synthesis of mesoionic derivatives of [1,2,3]triazolo[1,5-a]quinoline, [1,2,3]triazolo[1,5-a]quinazoline, [1,2,3]triazolo[1,5-a]quinoxaline and [1,2,3]triazolo[5,1-c]benzotriazine.