9ξ-O-β-D-Glucopyranosyloxy-5-megastigmen-4-one, a new C-13 glucoside, has been isolated from the leaves of Lanium album. The structure was elucidated on the basis of LSIMS and NMR spectral analysis, notably C-13 PENDANT, COSY 45, HMBC and HMQC.
Lamiaceae, Lanium album, white dead-nettle, 9ξ-O-β-D-glucopyranosyloxy-5-megastigmen-4-one, 13C PENDANT
Publication DOI: 10.1016/S0031-9422(97)00160-XJournal NLM ID: 0151434Publisher: Elsevier
Institutions: Department of Biological Sciences, University of Exeter, Washington Singer Laboratories, Perry Road, Exeter, Devon EX4 4QG, U.K.
Methods: 13C NMR, 1H NMR, ESI-MS, chemical methods, HPLC, LSI-MS, extraction