Four new 3,4-secocycloartane triterpenoids,pseudolactones A-D(1-4),were isolated from the ethanol extract of the cones of Pseudol arixamabilis.Their structures were established by extensive 1D-and 2D-NMR experiments.T...Four new 3,4-secocycloartane triterpenoids,pseudolactones A-D(1-4),were isolated from the ethanol extract of the cones of Pseudol arixamabilis.Their structures were established by extensive 1D-and 2D-NMR experiments.The cones of P.arixamabilis are enriched in the ring-expanded or cleaved cycloartane triterpenoids.This work provides new insight into cycloartane triterpenoids from the cones of P.arixamabilis.展开更多
基金supported by NSFC(31870327,81230090,81520108030,1302658)National Major Project of China(2018ZX09731016-005)+2 种基金The Key Research and Development Program of China(2017YFC1702002,2017YFC1700200)Professor of Chang Jiang Scholars Program,Scientific Foundation of Shanghai China(17431902800,16401901300)Shanghai Engineering Research Center for the Preparation of Bioactive Natural Products(10DZ2251300).
文摘Four new 3,4-secocycloartane triterpenoids,pseudolactones A-D(1-4),were isolated from the ethanol extract of the cones of Pseudol arixamabilis.Their structures were established by extensive 1D-and 2D-NMR experiments.The cones of P.arixamabilis are enriched in the ring-expanded or cleaved cycloartane triterpenoids.This work provides new insight into cycloartane triterpenoids from the cones of P.arixamabilis.
