B. Dinda et al., CHEMICAL-CONSTITUENTS OF PLUMBAGO-INDICA ROOTS, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 37(7), 1998, pp. 672-675
Isolation of a new naphthoquinone 3-O-3'-bidroserone, along with napht
hoquinone derivatives 2,3-epoxyplumbagin and plumbagic acid is reporte
d from the roots of Plumbago indica. The structures have been elucidat
ed on the basis of chemical and spectral evidence. The configuration o
f plumbagic acid has been assigned.