Cytotoxic alkaloids from the twigs and leaves of Cephalotaxus sinensis

Twelve new alkaloids (1-12) and nine known analogues (13-21) were isolated and identified from the twigs and leaves of The structures of the new compounds (1-12) were elucidated by extensive spectroscopic analysis and single-crystal X-ray diffraction analysis. Cephalosine H (8) is the third example...

Ausführliche Beschreibung