Chromones from Licania arianeae (Chrysobalanaceae).
The phytochemical studies of the leaves of Licania arianeae Prance (Crysobalanaceae) have led to the identification of ten new chromones, four 5,7-dihydroxy-2-alkylchromones, four 5,7-dihydroxy-6-chloro-2-alkylchromones and two 5,7-dihydroxy-6,8-dichloro-2-alkylchromones. The structures were established from IR, NMR and FAB-MS spectra data including 2D NMR experiments of natural substances and of the methyl derivatives.
de Carvalho
Mário Geraldo
MG
Departmento de Química, Instituto de Ciências Exatas, Universidade Federal Rural do Rio de Janeiro, BR 464, Km. 7, 23851-970, Seropédica-RJ, Brazil. mgeraldo@ufrrj.br
Cândido
Lucilene Faustina de Oliveira
LF
Da Costa
Patrícia Miranda
PM
Rumjanek
Victor Marcos
VM
D002867:Chromones / Q000737:chemistry; D045469:Chrysobalanaceae; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry*; D018515:Plant Leaves
D002867:Chromones; D010936:Plant Extracts