Kishore, P. Hari Reddy, M. Vijaya Bhaskar Gunasekar, D. Caux, Cristelle Bodo, Bernard
Verschenen in:
Journal of Asian natural products research
Paginering:
Jaargang 5 (2003) nr. 3 pagina's 227-230
Jaar:
2003-09
Inhoud:
A new naphthoquinone, 2,7-dihydroxy-8-formyl-5-isopropyl-3-methyl-1,4-naphthoquinone (1) together with a known naphthoquinone, 8-formyl-7-hydroxy-5-isopropyl-2-methoxy-3-methyl-1,4-naphthoquinone (2), has been isolated from the heartwood of Ceiba pentandra. The structures of 1 and 2 have been elucidated by extensive 1D and 2D NMR experiments.