Ancistroguineines A and B as well as ancistrotectorine-naphthylisoquinoline alkaloids from Ancistrocladus guineënsis.

@article{Bringmann1998AncistroguineinesAA,
  title={Ancistroguineines A and B as well as ancistrotectorine-naphthylisoquinoline alkaloids from Ancistrocladus guine{\"e}nsis.},
  author={Gerhard Bringmann and Clemens Guenther and Stephan Busemann and Manuela Sch{\"a}ffer and James D Olowokudejo and Babajide I. Alo},
  journal={Phytochemistry},
  year={1998},
  volume={47 1},
  pages={37-43}
}
The isolation of three naphthylisoquinoline alkaloids from the leaves of Ancistrocladus guineënsis is described. Their complete structures were established by spectroscopic, chiroptical and degradative methods. Thus, two hitherto unknown 5,8'-coupled naphthylisoquinoline, named ancistroguineines A and B, were isolated, constituting the first example of a pair of 3-epimeric naphthylisoquinoline alkaloids. Moreover, ancistrotectorine, a 7,3'-coupled alkaloid previously known only from the South… CONTINUE READING

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