The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi

The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi

Incubation of ent-19-hydroxy-13-epi-manoyl oxide with Gibberella fujikuroi afforded ent-12a,19-dihydroxy-13-epi-manoyl oxide and ent-7B,12a19-trihydroxy-13-epi-manoyl oxide, the first of which was transformed by chemical methods into varol (ent-12a-hydroxy-13-epi-manoyl oxide). The incubation of ent-3B-hydroxy-13-epi-manoyl oxide (ribenol) with the same fungus gave the 12B-hydroxy, the 11B-hydroxy and the 11B,12B-dihydroxy derivatives of ribenol, the first of which was identical with varodiol.

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Bibliographic Details
Main Authors: Fraga, Braulio M., González, Pedro, Guillermo, Ricardo, Hernández, Melchor G., Rovirosa, Juana
Other Authors: Ministerio de Educación y Ciencia (España)
Format: artículo biblioteca
Language:English
Published: Elsevier 1989
Subjects:Gibberella fujikuroi, microbiological transformation, diterpenes, ent-13-epi-manoyl oxide derivatives, varol, varodiol,
Online Access:http://hdl.handle.net/10261/22087
http://dx.doi.org/10.13039/501100003339
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spelling dig-ipna-es-10261-220872016-02-16T06:28:13Z The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi Fraga, Braulio M. González, Pedro Guillermo, Ricardo Hernández, Melchor G. Rovirosa, Juana Ministerio de Educación y Ciencia (España) Consejo Superior de Investigaciones Científicas (España) Gibberella fujikuroi microbiological transformation diterpenes ent-13-epi-manoyl oxide derivatives varol varodiol Incubation of ent-19-hydroxy-13-epi-manoyl oxide with Gibberella fujikuroi afforded ent-12a,19-dihydroxy-13-epi-manoyl oxide and ent-7B,12a19-trihydroxy-13-epi-manoyl oxide, the first of which was transformed by chemical methods into varol (ent-12a-hydroxy-13-epi-manoyl oxide). The incubation of ent-3B-hydroxy-13-epi-manoyl oxide (ribenol) with the same fungus gave the 12B-hydroxy, the 11B-hydroxy and the 11B,12B-dihydroxy derivatives of ribenol, the first of which was identical with varodiol. This work bas been supported by the CICYT, Ministry of Education and Science, Spain. We thank Dr. A. García-Granados (University of Granada) for copies of spectra of varol and varodiol, and Dr. J. R. Hanson (University of Sussex, U.K.) for gifts of Gibberella fujikuroi and for his interest in this work, R. G. thanks the Ministry of Education and Science and the Spanish Research Council (CSIC) for a "Formación de Personal Investigador" fellowship. Peer reviewed 2010-03-09T08:26:53Z 2010-03-09T08:26:53Z 1989 artículo http://purl.org/coar/resource_type/c_6501 Phytochemistry 28(7): pp. 1851-1854 (1989) 0031-9422 http://hdl.handle.net/10261/22087 http://dx.doi.org/10.13039/501100003339 en open 161839 bytes application/pdf Elsevier
institution IPNA ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-ipna-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del IPNA España
language English
topic Gibberella fujikuroi
microbiological transformation
diterpenes
ent-13-epi-manoyl oxide derivatives
varol
varodiol
Gibberella fujikuroi
microbiological transformation
diterpenes
ent-13-epi-manoyl oxide derivatives
varol
varodiol
spellingShingle Gibberella fujikuroi
microbiological transformation
diterpenes
ent-13-epi-manoyl oxide derivatives
varol
varodiol
Gibberella fujikuroi
microbiological transformation
diterpenes
ent-13-epi-manoyl oxide derivatives
varol
varodiol
Fraga, Braulio M.
González, Pedro
Guillermo, Ricardo
Hernández, Melchor G.
Rovirosa, Juana
The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi
description Incubation of ent-19-hydroxy-13-epi-manoyl oxide with Gibberella fujikuroi afforded ent-12a,19-dihydroxy-13-epi-manoyl oxide and ent-7B,12a19-trihydroxy-13-epi-manoyl oxide, the first of which was transformed by chemical methods into varol (ent-12a-hydroxy-13-epi-manoyl oxide). The incubation of ent-3B-hydroxy-13-epi-manoyl oxide (ribenol) with the same fungus gave the 12B-hydroxy, the 11B-hydroxy and the 11B,12B-dihydroxy derivatives of ribenol, the first of which was identical with varodiol.
author2 Ministerio de Educación y Ciencia (España)
author_facet Ministerio de Educación y Ciencia (España)
Fraga, Braulio M.
González, Pedro
Guillermo, Ricardo
Hernández, Melchor G.
Rovirosa, Juana
format artículo
topic_facet Gibberella fujikuroi
microbiological transformation
diterpenes
ent-13-epi-manoyl oxide derivatives
varol
varodiol
author Fraga, Braulio M.
González, Pedro
Guillermo, Ricardo
Hernández, Melchor G.
Rovirosa, Juana
author_sort Fraga, Braulio M.
title The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi
title_short The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi
title_full The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi
title_fullStr The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi
title_full_unstemmed The microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by Gibberelle fujikuroi
title_sort microbiological transformation of some ent-13-epi-manoyl oxide diterpenes by gibberelle fujikuroi
publisher Elsevier
publishDate 1989
url http://hdl.handle.net/10261/22087
http://dx.doi.org/10.13039/501100003339
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