The reaction of 5-, 6- and 7-membered cyclic thioimidates with cyclopropenones gives access to highly functionalised pyrrolizidines, indolizidines and pyrroloazepines via a formal [3+2] cycloaddition process.
5-,6-和7-元环状
硫代亚
氨酸酯与
环丙烯酮的反应可通过正式的[3 + 2]环加成过程获得高度官能化的
吡咯嗪,
吲哚并立和
吡咯并ze
庚烷。