efficiently with 4-hydroxyproline in the presence of 10 mol% of PMA/SiO2 in acetonitrile/water (4:1) under reflux conditions to furnish N-substituted pyrroles in excellent yields. Similarly, 11H-indeno[1,2-b]quinoxalin-11-ones also participated in this reaction.
摘要
靛红在 10 mol%
PMA/SiO2 的
乙腈/
水 (4:1) 溶液中在回流条件下与
4-羟基脯
氨酸有效反应,以优异的产率提供 N-取代的
吡咯。同样,11H-
茚并[1,2-b]quinoxalin-11-ones也参与了该反应。