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Brazoides A-D, New Alkaloids from Justicia gendarussa Burm. F. Species

Souza,Luciana G. S.; Almeida,Macia C. S.; Lemos,Telma L. G.; Ribeiro,Paulo R. V.; Canuto,Kirley M.; Braz-Filho,Raimundo; Cistia,Catarina N. Del

Four new alkaloids, Brazoides A-D, together with three known compounds squalene, β-sitosterol and lupeol, were isolated from leaves of Justicia gendarussa. These structures were established by spectrometric techniques, mainly high-resolution electrospray ionization mass spectrometry (HRESIMS) and 1D and 2D nuclear magnetic resonance (NMR), including comparative analysis with literature values. Structural determ...

Date: 2017 | Origin: Oasisbr

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