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Communication | Special issue | Vol 79, No. 1, 2009, pp.423-426
Published online, 18th December, 2008
DOI: 10.3987/COM-08-S(D)66
Structure Studies of the Metabolites of Paxillus involutus

Lucyna Mikołajczyk and Wiesław Z. Antkowiak*

*Department of Chemistry, Adam Mickiewicz University, ul. Grunwaldzka 6, 60-780 Poznán, Poland


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-cyclopentene-1,3-dione and (4Z)-5-hydroxy-2-(3,4-dihydroxyphenyl)-5-(4-hydroxyphenyl)-2,4-pentadien-4-olide, respectively.