We herein disclose an effective strategy for the synthesis of [5.3.0] and [6.3.0] fused polycyclic terpenoids, which are important structural elements of natural products and biologically active compounds. The method ...

The design, synthesis, and comprehensive utilization of diazanorbornene systems incorporating a flexible hydroxy group are described. The Lewis acid catalyzed intramolecular rearrangement of these strained alkenes gave ...