Two new sesquiterpenes, 8α-(4-hydroxymethacryloyl)-14-acetoxy-salonitenolide (1) and 8α-(2-hydroxymethyl 2-butenoyl)-14-acetoxy-salonitenolide (2), together with five known sesquiterpenes were isolated from the leaves of Vernonia nigritiana Oliv. & Hiern. Their structural characterization was obtained on the basis of extensive NMR spectroscopic and mass spectrometric studies.
Sesquiterpene Lactones from Vernonia nigritiana / Esposito, Andrea; Malafronte, Nicola; Sanogo, Rokia; D'Ambola, Massimiliano; Severino, Lorella. - In: NATURAL PRODUCT COMMUNICATIONS. - ISSN 1934-578X. - 11:5(2016), pp. 583-584.
Sesquiterpene Lactones from Vernonia nigritiana
D'Ambola, Massimiliano;SEVERINO, LORELLA
2016
Abstract
Two new sesquiterpenes, 8α-(4-hydroxymethacryloyl)-14-acetoxy-salonitenolide (1) and 8α-(2-hydroxymethyl 2-butenoyl)-14-acetoxy-salonitenolide (2), together with five known sesquiterpenes were isolated from the leaves of Vernonia nigritiana Oliv. & Hiern. Their structural characterization was obtained on the basis of extensive NMR spectroscopic and mass spectrometric studies.File in questo prodotto:
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