ent-Labdane glycosides from the aquatic plant Potamogeton lucens and analytical evaluation of the lipophilic extract constituents of various Potamogeton species.
作者： Patrice Waridel , Jean-Luc Wolfender , Jean-Bernard Lachavanne , Kurt Hostettmann
DOI: 10.1016/J.PHYTOCHEM.2004.01.018
关键词: Glycoside 、 Botany 、 Diterpene 、 Potamogeton perfoliatus 、 Labdane 、 Potamogetonaceae 、 Potamogeton 、 Raphidocelis subcapitata 、 Potamogeton lucens 、 Biology
摘要: Abstract Two new ent -labdane glycosides, one known furano- and a hydroxylated fatty acid were isolated from the dichloromethane extract of freshwater aquatic plant Potamogeton lucens. The compounds assigned structures β- d -glucopyranosyl-8(17),13 -ent -labdadien-16,15-olid-18-oate, 18-β- -glucopyranosyloxy-8(17),13 -labdadien-16,15-olide 13( R )-hydroxy-octadeca-(9 Z ,11 E ,15 )-trien-oic by spectroscopic means. algicidal activity these was tested against Raphidocelis subcapitata . Based on our previous study pectinatus , other constituents identified in P. lucens LC–UV–MS, LC–NMR GC–MS. lipophilic profiles both species are presented. species, perfoliatus crispus, also investigated analytical comparison their non-polar extracts. distribution -labdanes characterized is summarized.
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