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Short synthetic route toward the tricyclic core of schulzeines
Kuntiyong, Punlop,Akkarasamiyo, Sunisa,Eksinitkun, Gedsirin
, p. 1008 - 1009 (2007/10/03)
The tricyclic core of marine natural products schulzeines was synthesized using N-acyliminium ion cyclization. The intermediate N-acyliminium ion was generated from treatment of α-hydroxy-δ-lactam with a Lewis acid. The tricyclic products were obtained as
