Synthetic entry into the ent-kaurene framework. Application of an unprecedented transannular cyclization for forming the central bond common to the B and C rings
作者:Dirk Backhaus、Leo A. Paquette
DOI:10.1016/s0040-4039(96)02247-2
日期:1997.1
A stereocontrolled means for constructing the ent-kaurene framework is described. The key transformation involves transannular ring closure of an 8,9-seco precursor with migration of an interstitial methoxyl group.