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Closed Access item Biotransformation of the diterpene ribenone by Mucor plumbeus

Authors:Fraga, Braulio M.
Hernández, Melchor G.
González, Pedro
López, Matías
Suárez, Sergio
Keywords:Microbial reactions, X-ray crystal structures, Epoxidation, Terpenes and terpenoids
Issue Date:2001
Publisher:Elsevier
Citation:Tetrahedron 57: pp. 761-770 (2001)
Abstract:The microbiological transformation of the diterpene ribenone (3-oxo-ent-13-epi-manoyl oxide) by the fungus Mucor plumbeus has been studied. Epoxidation of the vinyl group constitutes the main reaction and there exists a preference for hydroxylation at C-1(a), C-6(a or B) and C-12(B) and, to a lesser degree, at C-7(a) and C-11(B). Other observed reactions were the reduction of the 3-oxo group to a 3B-alcohol and the formation of metabolites with a 1,2-double bond. In this work the stereochemistry at C-14 of the diterpenes excoecarins A, B and C has been revised on the basis of X-ray data.
URI:http://hdl.handle.net/10261/21554
ISSN:0040-4020
Appears in Collections:(IPNA) Artículos

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