Cascade cyclization of 1,2-diamino-4-phenylimidazole with aromatic aldehydes and cyclohexanediones
摘要:
The three-component condensation of 1,2-diamino-4-phenylimidazole with aromatic aldehydes and 1,3-cyclohexanediones occurred regioselectively and afforded 3-amino-1-phenyl-10-aryl-7,8-dihydroimidazo[1,5-b] cinnolin-9(5H,6H,10H)-ones.