Structural characterisation of metabolites from Pholiota spumosa (Basidiomycetes)

Marco Clericuzio, Marisa Piovano, Maria C. Chamy, Juan A. Garbarino, Marco Milanesio, Davide Viterbo, Giovanni Vidari, Paola Vita Finzi

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Three compounds of different biosynthetic origin were isolated from the fruiting bodies of the gilled mushroom Pholiota spumosa (Basidiomycetes, Strophariaceae). Fasciculol E, a lanostane triterpenoid conjugated to a depsipeptide unit, was isolated for the first time from genus Pholiota. In addition, the first isolation of putrescine-1,4-dicinnamamide as a natural compound is reported: its structure was established by single crystal X-ray diffraction, and by spectroscopic methods. Crystallographic analysis indicated the presence of a co-crystallised related dicinnamamide, namely the new compound (E)-2,3-dehydroputrescine-1,4-dicinnamamide, whose occurrence was confirmed by LC-MS analysis. An interesting evolutionary issue arises, following the observation that the cinnamamides produced by Pholiota spumosa bear an unsubstituted benzene ring, contrarily to those found in plants, which have always phenolic functionalities, and as such perform a variety of biological roles.

Lingua originaleInglese
pagine (da-a)605-611
Numero di pagine7
RivistaCroatica Chemica Acta
Volume77
Numero di pubblicazione4
Stato di pubblicazionePubblicato - nov 2004

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