A new xanthanolide was isolated from the aerial parts of Carpesium longifolium. Its structure was elucidated as 1, 4-epoxy-5?hydroxy-10酘-xantha-11(13)-en-12, 8?olide by spectral methods (HRMS, 1D and 2D NMR).
文摘A new xanthanolide was isolated from the aerial parts of Carpesium longifolium. Its structure was elucidated as 1, 4-epoxy-5?hydroxy-10酘-xantha-11(13)-en-12, 8?olide by spectral methods (HRMS, 1D and 2D NMR).
