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  • Title: Total synthesis of (-)-talaumidin and (-)-galbelgin.
    Author: Xue P, Wang LP, Jiao XZ, Jiang YJ, Xiao Q, Luo ZG, Xie P, Liang XT.
    Journal: J Asian Nat Prod Res; 2009; 11(3):281-7. PubMed ID: 19408154.
    Abstract:
    ( - )-Talaumidin (1) and ( - )-galbelgin (2) have been synthesized via 4-pentenoic acid as a starting material with the overall yield of about 17.8 and 16.9%, respectively. The key steps include Evans asymmetry anti-aldol reaction, TBS protection, hydroboration, oxidation, Friedel-Crafts arylation, etc.
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