The novel total synthesis of the lupin alkaloids (±) -leontiformine (1) and (±) -leontiformidine (2) has been achieved by using the 1, 3-dipolar cycloaddition reaction of 1-piperine 1-oxide (4) twice in the synthesis process.
利用 1-
胡椒碱 1-氧化物 (4) 的 1, 3-偶极环加成反应两次,实现了
羽扇豆生物碱 (±) -leontiformine (1) 和 (±) -leontiformidine (2) 的新型全合成。合成过程。