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Cyclopeptide alkaloids of Discaria febrifuga (Rhamnaceae)

✍ Scribed by Ademir Farias Morel; Emília Carolina Machado; Ludger A. Wessjohann


Book ID
103341940
Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
208 KB
Volume
39
Category
Article
ISSN
0031-9422

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## Abstract The ^13^C‐NMR spectra of four cyclopeptide alkaloids, namely zizyphine‐A (**2**), amphibine‐D (**3**), amphibine‐E (**4**), and zizyphine‐D (**5**), have been studied. Conclusions have been drawn concerning the conjugation in the alkoxystyrylamine unit present in these compounds.