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The structure of tautomycin, a dialkylmaleic anhydride antibiotic
X C Cheng1, M Ubukata, K Isono
1Antibiotics Laboratory, RIKEN (The Institute of Physical and Chemical Research), Saitama, Japan.
The Journal of Antibiotics
|July 1, 1990
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.