Cryptoporic and isocryptoporic acids from the cultures of Polyporus arcularius and P. ciliatus

GABRIELA MYRIAM CABRERA; ROBERTI, MARÍA JULIA; WRIGHT, JORGE; SELDES, ALICIA MARTA

PHYTOCHEMISTRY

PERGAMON-ELSEVIER SCIENCE LTD

Año: 2002 vol. 61 p. 189 - 193

0031-9422

In a chemical study of several fungal cultures of Polyporus, a methyl ester of cryptoporic H was isolated from P. ciliatus, together with cryptoporic acid H and 5-hydroxymethylfuran-3-carboxylic acid. Furthermore, two additional compounds, named isocryptoporic acids H and I, were isolated from P. arcularius. These isocryptoporic acids are isomers of the cryptoporic acids with drimenol instead of albicanol as the terpenoid fragment; their structural elucidation was determined by application of spectroscopic methods.Polyporus, a methyl ester of cryptoporic H was isolated from P. ciliatus, together with cryptoporic acid H and 5-hydroxymethylfuran-3-carboxylic acid. Furthermore, two additional compounds, named isocryptoporic acids H and I, were isolated from P. arcularius. These isocryptoporic acids are isomers of the cryptoporic acids with drimenol instead of albicanol as the terpenoid fragment; their structural elucidation was determined by application of spectroscopic methods.