摘要

The synthesis of novel dihydroindoles 8a-d and 9a-d bearing electron-withdrawing groups at C-2 position is presented. The key step of this approach is an efficient intramolecular Diels-Alder reaction of N-alkenylated 2-amino-3-furancarbonitriles 4a-d and 5a-d.

  • 出版日期2014-1-1