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  • Title: Enantioselective synthesis of the C18-C25 segment of lasonolide A by an oxonia-cope prins cascade.
    Author: Dalgard JE, Rychnovsky SD.
    Journal: Org Lett; 2005 Apr 14; 7(8):1589-91. PubMed ID: 15816759.
    Abstract:
    [reaction: see text] A 2-oxonia-Cope Prins cascade was developed that led to a facile and stereoselective synthesis of the C18-C25 segment of lasonolide A. The strategy nicely handles the introduction of the quaternary center in the tetrahydropyran ring, and all of the stereogenic centers in the product arise from a single stereocenter introduced in a catalytic enantioselective reaction.
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