Microbial transformations and 13C-NMR analysis of colchicine
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Abstract:
Several microorganisms were screened for their ability to biotransform colchicine, and two were selected for preparative scale fermentations. Streptomyces spectabilis and Streptomyces griseus both produced O2-demethylcolchicine and O3-demethylcolchicine but in different amounts. The 13C-NMR assignments of colchicine, O10-demethylcolchicine, and trimethylcolchicinic acid are reported and were used to help identify the structures of the metabolites.
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