The formation of 1,3-dihydropyrrol-2-one derivatives in moderate to excellent yields may be achieved by sequential insertion of CO and ethylene into CâH bonds of 1-azadienes catalysed by Ru3(CO)12; thus two new CâC bonds and a new center of asymmetry at C3 are produced via an intramolecular aldol condensation-like cyclization.
在适中的到优异的产率下,1,3-二
氢吡咯-2-
酮衍
生物的形成可以通过
催化剂Ru3(CO)12在1-
氮烯的C–H键中依次插入CO和
乙烯来实现;因此,通过一种类醛醇缩合的环化反应,生成了两个新的C–C键和一个在C3处的新不对称中心。