Verbacine and verballocine, novel macrocyclic spermine alkaloids from Verbascum pseudonobile Stoj. et Stef. (Scrophulariaceae)

Verbacine and verballocine, novel macrocyclic spermine alkaloids from Verbascum pseudonobile Stoj. et Stef. (Scrophulariaceae) Macrocyclic Spermine Alkaloids fromVerbascum: Isolation, Structure Elucidation, and Syntheses of the (E/Z)-Isomeric Pairs (S)-Verbasikrine/(S)-Isoverbasikrine and (S)-Verbamekrine/(S)-Isoverbamekrine Verbaskine, a macrocyclic spermine alkaloid of a novel type from Verbascum pseudorobile Stoj. et Stef. (Scrophulariaceae) Verbascenin, ein macrocyclisches Spermin‐Alkaloid aus verbascum 184. Mitteilung über organische Naturstoffe Verballoscenine, the Z isomer of verbascenine from Verbascum phoeniceum Macrocyclic Spermine Alkaloids fromVerbascum: The (E/Z)-Isomeric Pairs (−)-(S)-Verbasitrine/(−)-(S)-Isoverbasitrine and (+)-(S)-Verbametrine/(+)-(S)-Isoverbametrine: Isolation, Structure Elucidation, and Synthesis Five novel macrocyclic spermine alkaloids from incarvillea sinensis Separation of E-Z isomeric macrocyclic spermine alkakoids of Verbascum pseudonobile and Verbascum phoeniceum and of their derivatives using thin-layer chromatography Celacinnine, a novel macrocyclic spermidine alkaloid prototype A novel macrocyclic spermine alkaloid fromIncarvillea sinensis