Abstract

BASCOPE, Marcelo  and  STERNER, Olov. LIGNANS FROM IRYANTHERA JURUENSIS WARB. Rev. Bol. Quim [online]. 2006, vol.23, n.1, pp.44-47. ISSN 0250-5460.

Four lignans Otobaphenol (1), Cagayanin (2), Otobain (3) and Hydroxyotobain (4), together with a tocopherol like compound identified as (5S)-3a-acetyl-2,3,5-trimethyl-7a-hydroxy-5- (4,8,12-trimethyltridecanyl) -1,3a,5,6,7,7ahexahydro-4-oxainden-1-one (5) and a very long unbranched alcane (6) reported here as natural product for the first time were found in the hexane and dichloromethane extract from the leaves of Iryanthera Juruensis warb, a plant frequently used as a medicinal plant in the amazons rain forest, the structure elucidation was performed by NMR spectroscopy and mass spectrometry.

Keywords : Iryanthera juruensis; Miristicaceae; lignans; Otobaphenol; Cagayanin; Otobain hydroxyotobain.