supported by the National Natural Science Foundation of China(No.30472075);the Excellent Ph.D.Dissertation Foundation of China(No.200367)
Three new C20-diterpenoid alkaloids, designated as anthriscifolmines A-C (1-3), together with two known alkaloids denudatine and delgramine, were isolated from the whole herb of Delphinium anthriscifolium var. savat...
support for this research was provided from the National Natural Science Foundation of China(No.30472075);the Excellent Ph.D.Dissertation Foundation of China(No.200367).
Two novel C-nor-B-homo aconane-type diterpenes 4 and 5, featuring a unique eight-membered ring system, were obtained by the treatment of C-nor-C19-diterpenoid alkaloid 3 with HNO2 in 8% and 21% yields, respectively. S...