Microbiological and chemical dehydrogenation of withaferin A
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Folia Microbiologica
|January 1, 1987
Abstract:
Arthrobacter simplex dehydrogenated withaferin A to 4-dehydrowithaferin A but it was not able to dehydrogenate this substrate in position 27. 27-Dehydrowithaferin A was prepared chemically using pyridinium chlorochromate. Whereas 4-dehydrowithaferin A surpassed in its effect on leukemic (388 cells the original compound and all its derivates synthesized so far, 27-dehydrowithaferin A was biologically inactive.