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  • Title: The structure of tautomycin, a dialkylmaleic anhydride antibiotic.
    Author: Cheng XC, Ubukata M, Isono K.
    Journal: J Antibiot (Tokyo); 1990 Jul; 43(7):809-19. PubMed ID: 2387775.
    Abstract:
    The chemical structure of tautomycin (C41H66O13) was determined by chemical degradation, spectroscopic analysis and 2D INADEQUATE of tautomycin labeled with [1,2-13C]acetate. Tautomycin exists in methanol-buffer solution (1% diethylamine-formic acid, pH 7.3) as an equilibrium mixture of a 2,3-dialkylmaleic anhydride and its dicarboxylic acid in a ratio of approximately 5:4.
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