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7-epi-griffonilide, a new lactone from Bauhinia pentandra: complete 1H and 13C ...
Almeida, Macia Cleane Soares de; Souza, Luciana G. S.; Ferreira, Daniele A.; Pinto, Francisco C. L.; Oliveira, Débora R. de; Santiago, Gilvandete M. P.A new lactone, 7-epi-griffonilide (1), and six known compounds, 2, 3a - 3c, 4a and 4b, were isolated from the leaves of Bauhinia pentandra (Fabaceae). The structures elucidation of 1 and 2 were based on detailed 2D NMR techniques and spectral comparison with related compounds, leading to complete assignment of the 1H and 13C NMR spectra.
Date: 2017
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Origin: Oasisbr