Asymmetric Synthesis of (+)- and (-)-Coniines and (-)-Sedamine by Diastereoselective Alkylation Reaction of Ethoxypiperidinone

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1990 English Publisher:CLOCKSS ArchiveJournal:HETEROCYCLES, volume 31, page 1,525 (issn: 0385-5414,

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Authors: Takeaki Naito; Toshiko Kiguchi; Yoko Nakazono; Sanae Kotera; Ichiya Ninomiya;

doi: 10.3987/com-90-5452

Asymmetric Synthesis of (+)- and (-)-Coniines and (-)-Sedamine by Diastereoselective Alkylation Reaction of Ethoxypiperidinone

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Abstract

Diastereoselective alkylation reaction of the chiral 6-ethoxypiperidinones (4) and (5) has been developed and successfully applied to the asymmetric synthesis of piperidine alkaloids, (+)- and (-)-coniines (11) and (12), (-)-sedamine (21), and (-)-allosedamine (22)

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