The surface exudate obtained by rinsing the aerial parts of Salvia adenophora with CH2Cl2 was subjected to repeated column chromatography on Sephadex LH-20 and silica gel and to HPLC-MS followed by semi-preparative RP-HPLC. Some known diterpenes have been isolated together with a new clerodane diterpenoid 1, identified by IR, NMR, including TOCSY, COSY, HSQC, HMBC and ROESY experiments, ESI-TRAP-MS and HR-MS analysis.
A new diterpenoid from Salvia adenophora Fernald (Lamiaceae).
BISIO, ANGELA;DAMONTE, GIANLUCA;GIACOMELLI, EMANUELA;MELE, GIACOMO;ROMUSSI, GIOVANNI;
2012-01-01
Abstract
The surface exudate obtained by rinsing the aerial parts of Salvia adenophora with CH2Cl2 was subjected to repeated column chromatography on Sephadex LH-20 and silica gel and to HPLC-MS followed by semi-preparative RP-HPLC. Some known diterpenes have been isolated together with a new clerodane diterpenoid 1, identified by IR, NMR, including TOCSY, COSY, HSQC, HMBC and ROESY experiments, ESI-TRAP-MS and HR-MS analysis.
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