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5-Methoxyjusticidin A, a new arylnaphthalene lignan from Protium unifoliolatum
A C Siani1, M G Zoghbi, E L Wolter
1LQPN, Far-Manguinhos, FIOCRUZ, R. Sizenando Nabuco 100, 21041-250, Rio de Janeiro, RJ, Brazil. siani@far.fiocruz.br
Journal of Natural Products
|June 27, 1998
Abstract:
A new arylnaphthalene lignan, 9-(1,3-benzodioxol-5-yl)-4,5,6, 7-tetramethoxynaphtho[2,3-C]furan-1(3H)-one (5-methoxyjusticidin A, 1), was isolated from a Et2O extract of the wood of Protium unifoliolatum. The structure of 1 was determined by both spectroscopic and X-ray crystallographic methods.