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Novel sesquiterpene lactones from Eremanthus seidelii

2012; Elsevier BV; Volume: 53; Issue: 47 Linguagem: Inglês

10.1016/j.tetlet.2012.09.007

1873-3581

João Paulo Barreto Sousa, José Carlos Tomaz, Cecília C. P. da Silva, Javier Ellena, Norberto Peporine Lopes, João Luís Callegari Lopes,

Plant Toxicity and Pharmacological Properties

Two novel sesquiterpene lactones were isolated from crude extract of the Eremanthus seidelii leaves. Reliable structural elucidations to these lactones were established by 1D and 2D NMR spectroscopic techniques and high-resolution electrospray mass spectrometry data.