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  • Title: Total synthesis and stereochemistry of pinnatoxins B and C.
    Author: Matsuura F, Hao J, Reents R, Kishi Y.
    Journal: Org Lett; 2006 Jul 20; 8(15):3327-30. PubMed ID: 16836397.
    Abstract:
    [Structure: see text] Pinnatoxins B and C were synthesized from diols (34R)-3b and (34S)-3a, respectively, in a stereochemically controlled manner. Through extensive analysis of the 1H NMR spectra of synthetic PnTXs B and C, the diagnostic NMR signals were first identified to differentiate (34S)- and (34R)-diastereomers and then used to establish the C34 configuration of natural PnTXs B and C as 34S and 34R, respectively.
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