85924-09-0Relevant articles and documents
Pentacyclic Systems for Indole Alkaloids. Formation of the C11-C12 Bond. Two Synthesis of (+/-)-Aspidospermine
Gallagher, Timothy,Magnus, Philip,Huufman, John C.
, p. 4750 - 4757 (1983)
The tetracyclic amide 10 was converted through an intramolecular Pummerer reaction into the petacyclic amide11, having the basic framework of the Aspidosperma alkaloids.Application of this methodology to the synthesis of (+/-)-aspidosper