Five undescribed alkaloids were isolated from the seeds of Cephalotaxus oliveri along with 27 known ones.The new structures were elucidated based on spectroscopic data including 1D and 2D NMR,MS and calculated ECD spe...Five undescribed alkaloids were isolated from the seeds of Cephalotaxus oliveri along with 27 known ones.The new structures were elucidated based on spectroscopic data including 1D and 2D NMR,MS and calculated ECD spectra.Among them,(+)-acetylcephalofortine C was an enantiomeric Cephalotaxine alkaloids.The performed bioassay revealed that those alkaloids were not cytotoxic against cancer cells and had no neuroprotective properties in the HEI-OC-1 cells model.展开更多
Otiorhynchus oliveri,n.sp.of Curculionid from Spain and notes on some taxa of the O.andarensis Reitter,1913,group.The new species belongs to the group of O.andarensis Reitter and ischaracterized by the deeper and dens...Otiorhynchus oliveri,n.sp.of Curculionid from Spain and notes on some taxa of the O.andarensis Reitter,1913,group.The new species belongs to the group of O.andarensis Reitter and ischaracterized by the deeper and denser punctures,the male metatibia lacking spinose processes and genitalia.Type locality:Catòute Mount,in Leon province,on rocky limestone outcrops at 1,900 metres a.s.l.Someremarks on the chorology and bioecology of other species of the group are also provided.展开更多
基金funded in part by the National Natural Science Foundation of China (No.31872677).
文摘Five undescribed alkaloids were isolated from the seeds of Cephalotaxus oliveri along with 27 known ones.The new structures were elucidated based on spectroscopic data including 1D and 2D NMR,MS and calculated ECD spectra.Among them,(+)-acetylcephalofortine C was an enantiomeric Cephalotaxine alkaloids.The performed bioassay revealed that those alkaloids were not cytotoxic against cancer cells and had no neuroprotective properties in the HEI-OC-1 cells model.
文摘Otiorhynchus oliveri,n.sp.of Curculionid from Spain and notes on some taxa of the O.andarensis Reitter,1913,group.The new species belongs to the group of O.andarensis Reitter and ischaracterized by the deeper and denser punctures,the male metatibia lacking spinose processes and genitalia.Type locality:Catòute Mount,in Leon province,on rocky limestone outcrops at 1,900 metres a.s.l.Someremarks on the chorology and bioecology of other species of the group are also provided.
