Precursor-Directed Biosynthesis of Phenylbenzoisoquinolindione Alkaloids and the Discovery of a Phenylphenalenone-Based Plant Defense Mechanism.

@article{Chen2018PrecursorDirectedBO,
  title={Precursor-Directed Biosynthesis of Phenylbenzoisoquinolindione Alkaloids and the Discovery of a Phenylphenalenone-Based Plant Defense Mechanism.},
  author={Yu Chen and Christian Paetz and Bernd Schneider},
  journal={Journal of natural products},
  year={2018},
  volume={81 4},
  pages={
          879-884
        }
}
Phenylbenzoisochromenone glucosides (oxa-phenylphenalenone glucosides) occurring in some phenylphenalenone-producing plants of the Haemodoraceae undergo conversion to phenylbenzoisoquinolindiones (aza-phenylphenalenones) in extracts of Xiphidium caeruleum. Precursor-directed biosynthetic experiments were used to generate a series of new phenylbenzoisoquinolindiones from native phenylbenzoisochromenone glucosides and external amines, amino acids, and peptides. Intermediates of the conversion… 
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