通过Ugi / Bischler-Napieralski /杂环二步法多组分获得新型二氢咪唑并[1',5':1,2]吡啶[3,4- b ]吲哚-2-鎓盐和吲哚
摘要:
一个简单,有效且通用的两步程序,通过先后的Ugi反应然后进行Bischler-Napieralski /杂环串联串联封闭,得到新颖的6,11-dihydro-5 H-咪唑[1',5':1,2]描述了吡啶并[3,4- b ]吲哚-2-鎓盐衍生物。通过用甲酸铵改变胺和酸成分,相同的方法得到6,11-二氢-5 H-咪唑并[1',5':1,2,]吡啶并[3,4- b ]吲哚衍生物。
Multicomponent access to novel dihydroimidazo[1′,5′:1,2]pyrido[3,4-b]indol-2-ium salts and indoles by means of Ugi/Bischler–Napieralski/heterocyclization two step strategy
Bischler–Napieralski/heterocyclization tandem closure, to give novel 6,11-dihydro-5H-imidazo[1′,5′:1,2]pyrido[3,4-b]indol-2-ium salt derivatives, is described. By changing the amine and the acid components with ammonium formate, the same procedure affords 6,11-dihydro-5H-imidazo[1′,5′:1,2]pyrido[3,4-b]indole derivatives.
一个简单,有效且通用的两步程序,通过先后的Ugi反应然后进行Bischler-Napieralski /杂环串联串联封闭,得到新颖的6,11-dihydro-5 H-咪唑[1',5':1,2]描述了吡啶并[3,4- b ]吲哚-2-鎓盐衍生物。通过用甲酸铵改变胺和酸成分,相同的方法得到6,11-二氢-5 H-咪唑并[1',5':1,2,]吡啶并[3,4- b ]吲哚衍生物。