Penicilliopsis clavariaeformis

Other structurally related dianthrones occur in fungi. Penicilliopsin 8 was found in cultures of Penicilliopsis clavariaeformis and is easily oxidised by air in basic solution to give protohypericin 3 [30]. Skyrin 9 occurs in a variety of fungi such as Penicillium islandicum. It is closely related to 8 and can be reduced to this compound, as well as directly converted to protohypericin 3 [31, 32]. 

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See also in sourсe #XX -- [ , ]

See also in sourсe #XX -- [ ]

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