Isolation and Structure Elucidation of Five New Asterriquinones from Aspergillus, Humicola and Botryotrichum Species.

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Isolation and structure elucidation of five new asterriquinones from Aspergillus, Humicola and Botryotrichum species.

Five new quinone pigments have been discovered from the fermentation broth of Aspergillus, Humicola and Botryotrichum species isolated from different soil samples. These compounds inhibit serine proteases of the coagulation pathway. Their structures which differ in the identity and position of a 5-carbon side chain on the indole moiety have been elucidated based on NMR and FAB-MS experiments.

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Lycium species is a popular medicinal plant in the traditional Chinese medicine and Lycium ruthenicum is a native medicinal plant of Iran. Lycium genus has several biologically important properties too. Investigation of chemical composition of ethyl acetate extract of this plant is the goal of this study. Two coumarins (Scopoletin and Sculetin) and Methyl-2-hydroxy-4-undecanoxy-trans-cinamate w...

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isolation and structure elucidation of a new alkaloid from the indonesian blue-green alga arthrospira platensis

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ژورنال

عنوان ژورنال: The Journal of Antibiotics

سال: 1996

ISSN: 0021-8820,1881-1469

DOI: 10.7164/antibiotics.49.854