Author/Authors :
Lin، نويسنده , , Hong and Ng، نويسنده , , Fay W and Danishefsky، نويسنده , , Samuel J، نويسنده ,
Abstract :
The synthesis of (±)-gelsemine has been completed from tetracyclic intermediate 2 via a stereospecific [3,3]-rearrangement followed by a one carbon excision to convert a δ-lactam (13) to a γ-lactam (19).