首页|Cephalotaxine homologous alkaloids from seeds of Cephalotaxus oliveri Mast
Cephalotaxine homologous alkaloids from seeds of Cephalotaxus oliveri Mast
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NSTL
Elsevier
? 2022 Elsevier LtdSix undescribed isoquinoline alkaloids, named as cephaloliverines A?F, were isolated from the seeds of Cephalotaxus oliveri. They were identified by NMR and MS spectroscopic data analyses, combined with the time-dependent density functional theory ECD calculation for cephaloliverines A and B and also by X-ray crystal diffraction for cephaloliverine E. Biosynthetic considerations suggest that cephaloliverines A?D are homologous of cephalotaxine-, homoerythrina- and Erythrina-type alkaloids. The performed bioassay revealed no cytotoxic activity against cancer cells and no neuroprotective properties on HEI–OC–1 cells model.
NSTL
Elsevier
