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Tetrahydroisoquinoline alkaloids and 2-deoxyribonolactones from Aristolochia arcuata
Maurício C Francisco1, Ana Lucia M Nasser, Lucia M X Lopes
1Instituto de Química, Universidade Estadual Paulista-Unesp, CP 355, 14800-900 Araraquara, SP, Brazil.
Phytochemistry
|March 22, 2003
Abstract:
2-Deoxyribonolactones and four tetrahydroisoquinoline alkaloids were isolated from the acetone extract of the leaves of Aristolochia arcuata Mast., together with pinitol, sequoyitol, glycerol, fructose, sucrose, eupomatenoid-7, salsolinol, and 6,7-dihydroxy-1,1-dimethyl-1,2,3,4-tetrahydroisoquinoline. Their structures were determined on the basis of spectroscopic methods, mainly using 1H, 13C, 15N, and 31P NMR.