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Related Experiment Videos

Thymol derivatives from Carpesium divaricatum

O P Zee1, D K Kim, K R Lee

  • 1Natural Products Laboratory, College of Pharmacy, Sung Kyun Kwan University, Suwon, Korea.

Archives of Pharmacal Research
|January 6, 1999
PubMed
Summary

Four thymol derivatives were isolated from Carpesium divaricatum. Their chemical structures were identified using advanced nuclear magnetic resonance (NMR) spectroscopy techniques.

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Area of Science:

  • Natural Product Chemistry
  • Organic Chemistry
  • Phytochemistry

Background:

  • Carpesium divaricatum is a plant species with potential medicinal properties.
  • Thymol derivatives are known for their diverse biological activities.

Purpose of the Study:

  • To isolate and characterize novel thymol derivatives from Carpesium divaricatum.
  • To elucidate the chemical structures of these isolated compounds.

Main Methods:

  • Extraction of compounds from the aerial parts of Carpesium divaricatum.
  • Structure elucidation using high-field 1D and 2D Nuclear Magnetic Resonance (NMR) techniques.

Main Results:

  • Isolation of four thymol derivatives: 2,5-dimethoxythymol (1), 2-methoxythymol isobutyrate (2), 10-isobutyloxy-8,9-epoxythymolisobutyrate (3), and 10-(2-methylbutyloxy)-8,9-epoxythymolisobutyrate (4).
  • Confirmation of the structures through detailed NMR spectral analysis.

Conclusions:

  • The study successfully identified four new thymol derivatives from Carpesium divaricatum.
  • The findings contribute to the understanding of the chemical constituents of this plant species.

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