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[Structure of pingbeimine C].

D M Xu1, C H He, S Q Wang

  • 1Institute of Traditional Chinese Medicine and Materia Medica of Jilin Province, Chang Chun.

Yao Xue Xue Bao = Acta Pharmaceutica Sinica
|January 1, 1990
PubMed
Summary
This summary is machine-generated.

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A novel C-nor-D-homosteroid alkaloid, pingbeimine C, was identified from the Fritillaria ussuriensis Maxim bulb. Its chemical structure was elucidated using advanced spectroscopic and crystallographic techniques.

Area of Science:

  • Natural Product Chemistry
  • Organic Chemistry
  • Pharmacognosy

Context:

  • The bulb of Fritillaria ussuriensis Maxim is a known source of bioactive compounds.
  • Steroid alkaloids represent a significant class of natural products with diverse pharmacological activities.

Purpose:

  • To isolate and characterize a new alkaloid from Fritillaria ussuriensis Maxim.
  • To determine the precise chemical structure of the novel compound.

Summary:

  • A new C-nor-D-homosteroid alkaloid, designated pingbeimine C (C27H43O6N), was successfully isolated from the bulb of Fritillaria ussuriensis Maxim.
  • The structure of pingbeimine C was rigorously elucidated using a combination of spectroscopic methods, including Infrared (IR), Mass Spectrometry (MS), Proton Nuclear Magnetic Resonance (1HNMR), and Carbon-13 Nuclear Magnetic Resonance (13CNMR).

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  • X-ray crystallographic analysis provided definitive confirmation of the proposed structure, assigned as structure IV.

    • Impact:

    • This discovery expands the known repertoire of Fritillaria-derived alkaloids.
    • The characterized structure of pingbeimine C provides a foundation for future studies into its potential biological activities and pharmacological properties.