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Anais da Academia Brasileira de Ciências
On-line version ISSN 1678-2690
CARVALHO, Mário G. de et al. Pimarane Diterpenes and a Sesquiterpene from Salzmmania nitida. An. Acad. Bras. Ciênc. [online]. 2006, vol.78, n.1, pp.17-21. ISSN 1678-2690. http://dx.doi.org/10.1590/S0001-37652006000100003.
Two new terpenoids, (+)-3-oxo-thermarol and 11-acetoxyeudesman-4a-methyl-5a-ol along with the (+)- thermarol were isolated from the aerial parts of Salzmmania nitida. The structures and unambiguous 1H and 13C chemical shift assignments were established by spectroscopic means, including homo and heteronuclear techniques.
Keywords : Salzmmania nitida; Rubiaceae; diterpenes; eudesmane.