Separation of E-Z isomeric macrocyclic spermine alkakoids of Verbascum pseudonobile and Verbascum phoeniceum and of their derivatives using thin-layer chromatography

Separation of E-Z isomeric macrocyclic spermine alkakoids of Verbascum pseudonobile and Verbascum phoeniceum and of their derivatives using thin-layer chromatography 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) Verbacine and verballocine, novel macrocyclic spermine alkaloids from Verbascum pseudonobile Stoj. et Stef. (Scrophulariaceae) Macrocyclic Spermine Alkaloids fromVerbascum: The (E/Z)-Isomeric Pairs (−)-(S)-Verbasitrine/(−)-(S)-Isoverbasitrine and (+)-(S)-Verbametrine/(+)-(S)-Isoverbametrine: Isolation, Structure Elucidation, and Synthesis Verbascenin, ein macrocyclisches Spermin‐Alkaloid aus verbascum 184. Mitteilung über organische Naturstoffe Verballoscenine, the Z isomer of verbascenine from Verbascum phoeniceum Alkaloids of Verbascum songoricum Five novel macrocyclic spermine alkaloids from incarvillea sinensis Thin-layer chromatography of thalictrum species alkaloids