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Abstract

Twelve sesquiterpenes comprising either the protoilludane or the rare cerapicane carbon skeletons were obtained from the saprotrophic wood decomposing fungus Granulobasidium vellereum; 2a-hydroxycoprinolone (1), 3-hydroxycoprinolone (2), coprinolone dial B (3), granulodiene A (4), granulodiene B (5), granulone A (6), 8-deoxy-4a-hydroxytsugicoline B (7), granulone B (8), demethylgranulone (9), cerapicolene (10), as well as the known compounds radudiol and Delta(6)-coprinolone. The structures were determined using spectroscopic methods and biosynthetic considerations. Granulone A had growth stimulating effect on the total elongation of lettuce. seedlings. None of the isolated compounds showed any antifungal effect. (C) 2014 Elsevier Ltd. All rights reserved.

Keywords

Granulobasidium vellereum; Structural elucidation; Sesquiterpenes; Protoilludane; Cerapicane; Growth promotor

Published in

Phytochemistry
2014, volume: 102, pages: 197-204
Publisher: PERGAMON-ELSEVIER SCIENCE LTD

SLU Authors

UKÄ Subject classification

Microbiology
Organic Chemistry

Publication identifier

  • DOI: https://doi.org/10.1016/j.phytochem.2014.03.012

Permanent link to this page (URI)

https://res.slu.se/id/publ/60599