Verbacine and Verballocine, Novel Macrocyclic Spermine Alkaloids from Verbascum pseudonobile Stoj. et Stef. (Scrophulariaceae)
The isolation and structural elucidation of the novel 17-membered lactam alkaloids verbacine (1) and verballocine (2) containing spermine, E- (or Z-)cinnamoyl and phenylpropionyl precursory units, is reported.Evidence for the artificial origin of the prev
Drandarov, Konstantin
p. 617 - 620
(2007/10/02)
Verbascenin, ein macrocyclisches Spermin-Alkaloid aus Verbascum
The new spermine alkaloid verbascenine (1) has been isolated from extracts of the aerial parts of Verbascum phoeniceum L. and V. nigrum L.The structure of the alkaloid was elucidated by chemical degradation and by a study of the spectral properties of the