Novel 1,3-Dipolar Cycloaddition of Quinoxalinium N-Ylide to Alkene promoted by MnO2: a New Approach to Synthesis of Pyrrolo[1,2-a]-quinoxalines
作者:Jian Zhou、Lande Zhang、Yuefei Hu、Hongwen Hu
DOI:10.1039/a902053e
日期:——
A novelapproach to synthesize pyrrolo[1,2-a]quinoxalines was developed successfully by 1,3-dipolarcycloaddition of a quinoxaliniumN-ylide to alkenes in the presence of MnO2 under very convenient conditions and with moderate yields (40–52%).
在MnO 2存在下,在非常方便的条件下,以中等收率(40-52)成功地开发了一种新颖的合成吡咯并[1,2- a ]喹喔啉的方法,该方法是将1,3-偶极环喹喔啉N- y环加成到烯烃%)。