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Thiophenes from Echinops latifolius.

Y Wang1, X Li, D-L Meng

  • 1Research Department of Natural Medicine, Shenyang Pharmaceutical University, Shenyang, 110016, China.

Journal of Asian Natural Products Research
|December 1, 2006
PubMed
Summary
This summary is machine-generated.

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Researchers identified six thiophene compounds from Echinops latifolius roots. A novel thiophene derivative and another previously unisolated thiophene were discovered, expanding knowledge of plant-derived natural products.

Area of Science:

  • Natural Product Chemistry
  • Phytochemistry
  • Organic Chemistry

Background:

  • Echinops latifolius Tausch is a plant species with a history of traditional medicinal use.
  • The chemical constituents of E. latifolius roots are not fully elucidated, particularly thiophene derivatives.

Purpose of the Study:

  • To isolate and identify thiophene compounds from the ethanol extract of Echinops latifolius roots.
  • To characterize novel and previously unreported thiophenes from this plant source.

Main Methods:

  • Extraction of plant material using ethanol.
  • Isolation and purification of compounds using chromatographic techniques.
  • Structure elucidation of isolated compounds based on comprehensive spectral data analysis (e.g., NMR, MS).

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Main Results:

  • Six thiophene compounds were successfully isolated and purified.
  • Compound 5, 5-(3-hydroxy-4-isovaleroyloxybut-1-ynyl)-2,2'-bithiophene, was identified for the first time in this plant.
  • Compound 6, 5-(3-hydroxmethyl-3-isovaleroyloxyprop-1-ynyl)-2,2'-bithiophene, was determined to be a new chemical entity.

Conclusions:

  • The study successfully identified six thiophenes from Echinops latifolius roots, including one novel compound.
  • These findings contribute to the phytochemical understanding of Echinops latifolius and highlight its potential for novel natural product discovery.