STRUCTURE STUDIES OF THE METABOLITES OF PAXILLUS INVOLUTUS

[摘要]：The chemical components of Paxillus involutus were isolated from the freshly collected fruit bodies. Mainly on the basis of the NMR and ESI-MS data, the structures of the unknown pigments were determined as 4-(3,4-dihydroxyphenyl)-2-(4-hydroxyphenyl)-2-(2-pyrrolidon-5-yl)-4-cycl opentene- 1,3-dione and (4Z)-5-hydroxy-2-(3,4-dihydroxyphenyl)-5-(4-hydroxyphenyl)-2,4-pentadien -4-olide, respectively.

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