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Related Experiment Videos

Two amides from Piper tuberculatum fruits.

E V Leitão da-Cunha1, M C de Oliveira Chaves

  • 1Laboratório de Tecnologia Farmacêutica, Universidade Federal da Paraíba, Cx. Postal 5009, 58051-970, PB, João Pessoa, Brazil. emidio@ltf.ufpb.br

Fitoterapia
|February 27, 2001
PubMed
Summary

Researchers identified two compounds, pellitorine and piperidide-2E,4E-decadienamide, from Piper tuberculatum fruits. Their structures were confirmed using advanced nuclear magnetic resonance (NMR) techniques.

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Constituents from Piper marginatum fruits.

Fitoterapia·2002
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Area of Science:

  • Natural product chemistry
  • Organic chemistry
  • Phytochemistry

Background:

  • Piper tuberculatum is a plant species known for its potential bioactive compounds.
  • Alkaloids and amides are classes of natural products with diverse biological activities.

Purpose of the Study:

  • To isolate and characterize chemical constituents from the fruits of Piper tuberculatum.
  • To elucidate the structures of novel or known compounds using spectroscopic methods.

Main Methods:

  • Extraction of compounds from Piper tuberculatum fruits.
  • Purification using chromatographic techniques.
  • Structure elucidation using one-dimensional (1D) and two-dimensional (2D) Nuclear Magnetic Resonance (NMR) spectroscopy.

Main Results:

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  • Isolation and identification of pellitorine (N-isobutyl-2E,4E-decadienamide) and piperidide-2E,4E-decadienamide.
  • Detailed assignment of all NMR signals for both compounds, confirming their structures.

Conclusions:

  • The study successfully identified and characterized two amide compounds from Piper tuberculatum.
  • The findings contribute to the understanding of the chemical diversity within the Piper genus.