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About: Amavadin     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole105869584, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceChemical compoundyago:WikicatVanadiumCompoundsyago:Abstraction100002137yago:Cognition100023271yago:Compound105870180yago:Concept105835747yago:Content105809192yago:Idea105833840yago:PsychologicalFeature100023100chemical compoundyago:Whole105869584 New Facet based on Instances of this Class

Amavadin is a vanadium-containing anion found in three species of poisonous Amanita mushrooms: A. muscaria, A. regalis, and A. velatipes. Amavadin was first isolated and identified in 1972 by Kneifel and Bayer. This anion, which appears as a blue solution, is an eight-coordinate vanadium complex. A Ca2+ cation is often used to crystallize amavadin to obtain a good quality X-ray diffraction. Oxidized amavadin can be isolated as its PPh4+ salt. The oxidized form contains vanadium(V), which can be used to obtain an NMR spectrum.