A new route to the benzo[5,6]azepino[2,1-a]-β-carboline and indazolo[3,2-a]-β-carboline ring systems has been developed via the 1,7-dipolar electrocyclisation reactions of azomethine ylides derived from easily available β-carboline derivatives.
通过对易于获得的δ-咔啉衍
生物中的偶
氮甲基酰化物进行 1,7 双极电环化反应,开发出了一条通向
苯并[5,6]
氮杂卓[2,1-a]-δ-咔啉和
吲唑并[3,2-a]-δ-咔啉环系统的新途径。