S. Ueda et al., PRODUCTION OF ANTI-TUMOR-PROMOTING FURANONAPHTHOQUINONES IN TABEBUIA-AVELLANEDAE CELL-CULTURES, Phytochemistry, 36(2), 1994, pp. 323-325
Callus and cell suspension cultures of Tabebuia aveIlanedae produce pr
omising antitumour-promoting furanonaphthoquinones, xy-2-(1-hydroxyeth
yl)naphtho[2,3-b]furan-4,9-dione and 2-acetyl-5-hydroxy-naphtho[2,3-]f
uran-4,9-dione in high yields.