4.0 Article

An Expeditious Stereoselective Synthesis of (-)-Pinidinone from Ethyl Acetoacetate

Journal

BULLETIN OF THE KOREAN CHEMICAL SOCIETY
Volume 37, Issue 4, Pages 571-575

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/bkcs.10728

Keywords

Ethyl acetoacetate; Stereoselective -aminoallylation; (S)-tert-Butanesulfinamide; Cross-metathesis; (-)-Pinidinone

Funding

  1. Priority Research Centers Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [NRF-2009-0094071]
  2. Hallym University Research Fund [HRF-201506-004]

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An expeditious stereoselective synthesis of a naturally occurring 2,6-disubstituted piperidine alkaloid, (-)-pinidinone, has been accomplished with an overall yield of 31% in total eight steps. The synthesis involves ethyl acetoacetate as the starting material and the stereoselective -aminoallylation of aldehyde with (S)-tert-butanesulfinamide, allyl bromide, and indium and Grubbs' olefin cross-metathesis as the pivotal steps.

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