Polycyclic N-heterocyclic compounds. Part 52.1 One-step syntheses of imidazo[1,5-a]pyridines, imidazo[1,5-a]quinolines and imidazo[5,1-a]isoquinolines by Vilsmeier reactions of pyridine-2-carbonitriles, quinoline-2-carbonitriles and isoquinoline-1-carbonitriles
作者:Kenji Sasaki、Akifumi Tsurumori、Takashi Hirota
DOI:10.1039/a804340j
日期:——
The versatile, one-step synthesis of imidazo[1,5-a]pyridines by the reaction of pyridine-2-carbonitriles with DMF under Vilsmeier conditions is described. This reaction was applied to the syntheses of imidazo[1,5-a]quinolines from quinoline-2-carbonitriles, and of imidazo[5,1-a]isoquinolines from isoquinoline-1-carbonitriles.
描述了在Vilsmeier条件下吡啶-2-腈与DMF反应的多功能一步合成咪唑并[1,5- a ]吡啶。该反应应用到咪唑的合成[1,5-一个〕喹啉从喹啉-2-甲腈,和咪唑并[5,1-一个]异喹啉异喹啉从-1-腈。