Collect. Czech. Chem. Commun. 1982, 47, 3312-3317
https://doi.org/10.1135/cccc19823312

Non-cyclol (lactame) ergot alkaloids

Josef Stuchlíka, Alois Krajíčeka, Ladislav Cvaka, Jiří Spáčila, Petr Sedmerab, Miroslav Fliegerb, Jindřich Vokounb and Zdeněk Řeháčekb

a Galena, 747 70 Opava-Komárov
b Institute of Microbiology, Czechoslovak Academy of Sciences, 142 20 Prague 4

Abstract

Two new alkaloids were isolated from the field ergot. Their structures, N-(D-lysergyl-L-valyl)cyclo(L-valyl-D-prolyl) (IV) and N-(D-lysergyl-L-valyl)cyclo(L-leucyl-D-prolyl) (V), were assigned by mass, 1H and 13C NMR spectroscopy.