Daphsaifnin, a Dimeric Coumairn Glucoside From Daphne oleoides

Daphsafnin, A new dimeric coumarin glucoside, (1) was isolated from the roots of Daphne oleoides along with five known coumarins (2-6).The structure of 1 was established by the extensive spectroscopic studies including 2D-NMR and chemical analysis.The family Thymelaeaceae is regarded as principal source of coumarins, their dimers and other derivatives. 1Daphne oleoides, belonging this family is a small shrub, frequently found in the northern