Abstract
Semisynthetic derivatives of daunomycinone with 7,9-isopropylacetal, 7-O-methyl, 7-O-(4-penten-2-yl), and 7-O-(2-hydroxyethyl) substituents were converted byStreptomyces peucetius var.caesius (an adriamycin-blocked mutant) into 7-deoxy-13-dihydrodaunomycinone, while daunomycinone was transformed into 13-dihydrodaunomycinone (predominantly) and 7-deoxy-13-dihydrodaunomycinone.S. coeruleorubidus mutants 24–74 (accumulating aclavinone derivatives instead of daunomycin and related compounds) and 96-85 (producing no anthracycline substances), andS. aureofaciens B-96 (a tetracycline-blocked mutant) transformed the above substrates into the corresponding 13-dihydro derivatives, with the exception of 7,9-isopropylacetal daunomycinone which remained intact. 7-O-Propyn-1-yl daunomycinone was not transformed by any of the strains used under the conditions.
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Přikrylova, V., Jizba, J., Blumauerova, M. et al. Microbial transformation of semisynthetic derivatives of daunomycinone modified in ring a. Folia Microbiol 34, 459–462 (1989). https://doi.org/10.1007/BF02820754
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DOI: https://doi.org/10.1007/BF02820754