Cymosanine, a novel C19-quassinoid from Simaba subcymosa

Rodrigo Primo De Sousa; Lara Fonseca Barbosa; Angélica Ferreira De Oliveira; Leda Mathias; Raimundo Braz-Filho; Ivo José Curcino Vieira

doi:10.1080/14786410410001704769

Cymosanine, a novel C19-quassinoid from Simaba subcymosa

Nat Prod Res. 2005 Feb;19(2):151-5. doi: 10.1080/14786410410001704769.

Authors

Rodrigo Primo De Sousa¹, Lara Fonseca Barbosa, Angélica Ferreira De Oliveira, Leda Mathias, Raimundo Braz-Filho, Ivo José Curcino Vieira

Affiliation

¹ Setor de Química de Produtos Naturais - LCQUI - CCT, Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, Rio de Janeiro, Brazil.

PMID: 15715259
DOI: 10.1080/14786410410001704769

Abstract

Cymosanine (1) and three further known quassinoids, cedronin (2), chaparrinone (3), and simarolide (4), were isolated from the root bark of Simaba subcymosa. The structures were established by spectroscopic data, mainly 1D, 2D NMR and mass spectra.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Magnetic Resonance Spectroscopy
Mass Spectrometry
Quassins / chemistry
Quassins / isolation & purification*
Simaroubaceae / chemistry*

Substances

Quassins
cymosanine