Alkaloids from the Twigs of Daphniphyllum calycinum
Journal of Natural Products
2008.0
Abstract
Twelve new alkaloids, caldaphnidines G-R (1-12), along with 24 known ones, were isolated from the twigs of Daphniphyllum calycinum. Their structures were elucidated by spectroscopic methods, especially two-dimensional NMR techniques.