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Related Experiment Videos

A new biflavonoid from Ochna beddomei.

G Jayakrishna1, M Kesava Reddy, B Jayaprakasam

  • 1Natural Products Division, Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, India.

Journal of Asian Natural Products Research
|May 27, 2003
PubMed
Summary

Researchers isolated a new biflavonoid, 2,3-dihydroochnaflavone 7,4',7"-tri-O-methyl ether, and two known biflavonoids from Ochna beddomei stem bark. Their structures were confirmed using spectral and chemical analyses.

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Area of Science:

  • Natural Product Chemistry
  • Phytochemistry
  • Organic Chemistry

Background:

  • Ochna beddomei is a plant species known to produce bioactive compounds.
  • Biflavonoids are a class of natural products with diverse pharmacological properties.
  • Isolation and characterization of novel natural products contribute to understanding plant chemical diversity.

Purpose of the Study:

  • To isolate and characterize chemical constituents from the stem bark of Ochna beddomei.
  • To identify any new biflavonoid compounds from this plant source.
  • To elucidate the structures of isolated compounds using spectroscopic and chemical methods.

Main Methods:

  • Extraction of compounds from Ochna beddomei stem bark.
  • Chromatographic techniques for isolation of individual compounds.

Related Experiment Videos

  • Spectroscopic analyses (e.g., NMR, MS) for structure determination.
  • Chemical derivatization and degradation studies for structural confirmation.

    • Main Results:

    • Isolation of a new biflavonoid, 2,3-dihydroochnaflavone 7,4",7"-tri-O-methyl ether (1).
    • Isolation of two known biflavonoids: 2,3-dihydroochnaflavone (2) and ochnaflavone (3).
    • Complete structural elucidation of all isolated compounds through comprehensive spectral and chemical data.

    Conclusions:

    • The stem bark of Ochna beddomei is a source of unique biflavonoids.
    • The identification of compound 1 expands the known chemical diversity of biflavonoids.
    • The study provides valuable data for further research into the biological activities of these compounds.