A new pigment, laetiporic acid, has been isolated from fruit-bodies of the wood-rotting fungus Laetiporus sulphureus (sulfur shelf). Structure elucidation by application of extensive 2D NMR techniques permitted its identification as a polyene of non-isoprenoid origin. Laetiporic acid, which represents the main pigment in L. sulphureus basidiocarps, bears an unprecedented decaene skeleton as part of its chromophore and, interestingly, contains double bonds with a stable cis configuration.
Laetiporic acid, a new polyene pigment from the wood-rotting basidiomycete Laetiporus sulphureus (Polyporales, Fungi) / Rws, Weber; Mucci, Adele; Davoli, Paolo. - In: TETRAHEDRON LETTERS. - ISSN 0040-4039. - STAMPA. - 45:5(2004), pp. 1075-1078. [10.1016/j.tetlet.2003.11.073]
Laetiporic acid, a new polyene pigment from the wood-rotting basidiomycete Laetiporus sulphureus (Polyporales, Fungi)
MUCCI, Adele;DAVOLI, Paolo
2004
Abstract
A new pigment, laetiporic acid, has been isolated from fruit-bodies of the wood-rotting fungus Laetiporus sulphureus (sulfur shelf). Structure elucidation by application of extensive 2D NMR techniques permitted its identification as a polyene of non-isoprenoid origin. Laetiporic acid, which represents the main pigment in L. sulphureus basidiocarps, bears an unprecedented decaene skeleton as part of its chromophore and, interestingly, contains double bonds with a stable cis configuration.
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