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  • Title: Absolute configuration of the antiinflammatory [correction of antiinflamatory] sponge natural product contignasterol.
    Author: Yang L, Andersen RJ.
    Journal: J Nat Prod; 2002 Dec; 65(12):1924-6. PubMed ID: 12502341.
    Abstract:
    Chiral auxiliary NMR analysis with C-22 (R/S)-MPA and (R/S)-MTPA esters has been used to demonstrate that the absolute configuration in the side chain of the antiinflammatory sponge metabolite contignasterol (1) is 22R, 24R.
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