154194-36-2

Upstream product

• 89109-17-1 4-hydroxy-1-phenyl-1,8-naphthyridin-2(1H)-one 

Downstream Products

• 139339-02-9 5-phenylimidazo<4,5-c><1,8>naphthyridin-4(5H)-one 
• 160623-93-8 3,4-diamino-1-phenyl-1,8-naphthyridin-2(1H)-one 
• 154194-37-3 4-amino-3-nitroso-1-phenyl-1,8-naphthyridin-2(1H)-one 
• 139338-98-0 4-hydroxy-3-nitro-1-phenyl-1,8-naphthyridin-2(1H)-one 

Relevant academic research and scientific papers

A facile synthesis of 5-phenylimidazo-[4,5-c] [1,8]naphthyridin-4(5H)-one

1-Phenyl-3-nitroso-4-amino-1,8-naphthyridin-2(1H)-one (9) was prepared on a large scale and was converted to 5-phenyl-imidazo[4,5-c] [1,8]naphthyridin-4(5H)-one (KF17625, 1) which exhibitis potent antiasthmatic activity.