Formal [3+2] cycloaddition of vinylcyclopropane azlactones to enals using synergistic catalysis.
CHEMICAL COMMUNICATIONS(2019)
摘要
The present study reports the asymmetric cyclization of enals with vinylcyclopropane azlactones efficiently catalyzed by the combination of achiral Pd(0) complexes and chiral secondary amines. Corresponding spirocyclic azlactones were produced in high yields with moderate diastereoselectivities and excellent enantioselectivities. This protocol provides an efficient and easily-performed route to spirocyclic scaffolds, and densely functionalized cyclopentanes containing quaternary carbon centers.
更多查看译文
关键词
vinylcyclopropane azlactones,cycloaddition
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要