Oxidative metabolism of ambrox and sclareolide by Botrytis cinerea |
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Authors: | Farooq A Tahara S |
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Affiliation: | Division of Applied Bioscience, Graduate School of Agriculture, Hokkaido University, Sapporo, Japan. |
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Abstract: | Ambrox (1), a perfumery diterpene, was oxidatively metabolised by a plant pathogenic fungus Botrytis cinerea in a xenobiotic fashion to afford a major product, i.e., 1beta-hydroxy-8-epiambrox (13) (60%) along with three minor metabolites 3beta-hydroxyambrox (2), sclareolide (5) and 3beta-hydroxysclareolide (7). Sclareolide (5), a cytotoxic diterpenoidal lactone was fermented with the same fungus to yield 3beta-hydroxysclareolide (7) (59%) as a major metabolite together with two minor metabolites characterised as 1-ketosclareolide (15), and 3beta,14-dihydroxysclareolide (16). |
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