Phenolic compounds from the cultured mycobionts of Graphis proserpens
作者： Nobuo Hamada , Takao Tanahashi , Yukiko Takenaka , Natsuko Morimoto
DOI: 10.1016/J.PHYTOCHEM.2011.04.017
关键词: Organic chemistry 、 Isocoumarin 、 Benzoic acid 、 Chemistry 、 Stereochemistry 、 Graphis proserpens 、 Sucrose
摘要: Spore-derived mycobionts of the lichen Graphis proserpens were cultivated on a malt-yeast extract medium supplemented with 10% sucrose and their metabolites investigated. Isocoumarin derivatives 1-3 7-oxo-5,7-dihydrooxepino[4,3,2-de]isochromene derivatives, proserins A-C (4-6), isolated along three known isocoumarin benzoic acid derivatives. Their structures determined by spectroscopic methods.
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