Belattar Abdelhamid; Boukentoucha Chafai
(Université Frères Mentouri - Constantine 1, 2017-01-01)
Synthetic approaches to the pentacyclic aspidospermidine ring system are discussed.
Successive alkylations of the pyrrolidine-enamine of butanal with methyl acrylate and methyl vinyl ketone gave after hydrolysis and ...