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Constituents from Limonia crenulata.

X M Niu1, S H Li, L Y Peng

  • 1Laboratory of Phytochemistry, Kunming Institute of Botany, Academia Sinica, China.

Journal of Asian Natural Products Research
|January 11, 2002
PubMed
Summary

Researchers discovered crenulatine, a novel indole alkaloid, from Limonia Crenulata stems. This study details the isolation and identification of this new compound alongside twenty known natural products.

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Area of Science:

  • Natural Product Chemistry
  • Phytochemistry
  • Organic Chemistry

Background:

  • Limonia Crenulata is a plant species known for its potential medicinal properties.
  • The isolation of bioactive compounds from plant sources is crucial for drug discovery.
  • Indole alkaloids represent a significant class of natural products with diverse biological activities.

Purpose of the Study:

  • To isolate and characterize novel and known compounds from the stems of Limonia Crenulata.
  • To identify the chemical structure of a newly discovered indole alkaloid, named crenulatine.
  • To contribute to the phytochemical knowledge of the Limonia genus.

Main Methods:

  • Extraction of compounds from Limonia Crenulata stems.
  • Purification of isolated compounds using chromatographic techniques.

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  • Structure elucidation of compounds utilizing spectroscopic methods (e.g., NMR, MS).

    • Main Results:

    • A new indole alkaloid, crenulatine (1), was successfully isolated and identified.
    • Twenty known compounds, including various alkaloids, coumarins, flavanones, terpenoids, steroids, lignans, and aromatic compounds, were also identified.
    • The structures of all isolated compounds were confirmed through comprehensive spectral analysis.

    Conclusions:

    • The stems of Limonia Crenulata are a rich source of diverse chemical constituents, including novel indole alkaloids.
    • The discovery of crenulatine expands the known repertoire of natural products from this plant species.
    • This research provides a foundation for further investigation into the biological activities and potential applications of the isolated compounds.