Concavine, an unusual diterpenic alkaloid produced by the fungus Clitocybe concava |
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Authors: | Alberto Arnone Giovanni Fronza Enzio Ragg |
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Institution: | a CNR-ICRM, Dipartimento di Chimica, Materiali ed Ingegneria Chimica del Politecnico, Via Mancinelli 7, 20131 Milano, Italy b Dipartimento di Scienze Molecolari Agroalimentari, Università degli Studi di Milano, via Celoria, 20133 Milano, Italy |
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Abstract: | A novel alkaloid with an unprecedented ring system consisting of a dodecahydro-7-oxa-9a-aza-benzoa]azulene ring (1), has been isolated from cultures of Clitocybe concava (Basidiomycetae). Its structure and relative stereochemistry were elucidated on the basis of spectroscopic data. Concavine presents a weak antibacterial activity. |
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Keywords: | Clitocybe Basidiomycetes In vitro culture Isolation Diterpenic alkaloid NMR |
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