Beilstein J. Org. Chem.2021,17, 730–736, doi:10.3762/bjoc.17.62
-aminopyrroloquinolines with various biological activities.
Keywords: 2-azahexatirienesystem; carbodiimide; electrocyclization; pyrrolo[2,3-c]quinoline; trigonoine B; Introduction
In 2011, two novel alkaloids, namely trigonoine A and B, were isolated from the leaves of Trigonostemon lii by Hao and co-workers [1]. The
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Graphical Abstract
Figure 1:
Natural products possessing the pyrrolo[2,3-c]quinoline skeleton.