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[Chemical constituents from Piper longum]
Wenfeng Liu1, Zhiyong Jiang, Jijun Chen
1State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China.
Summary
Eleven chemical compounds were identified in Piper longum for the first time. This study details the isolation and spectral analysis of these constituents from the plant extract.
Area of Science:
- Phytochemistry
- Natural Products Chemistry
Context:
- Piper longum, a plant used in traditional medicine, has a complex chemical profile.
- Understanding its constituents is crucial for pharmacological research and potential therapeutic applications.
Purpose:
- To isolate and characterize the chemical constituents of Piper longum.
- To identify novel compounds or previously unreported constituents from this species.
Summary:
- The whole plant of Piper longum was extracted using ethanol and fractionated with petroleum ether, chloroform, and n-butanol.
- Column chromatography of the chloroform fraction led to the isolation of eleven compounds.
- These compounds were identified using mass spectrometry (MS) and nuclear magnetic resonance (NMR) spectroscopy (1H-NMR, 13C-NMR).
Impact:
- This research reports eleven compounds, including coumaperine and various piperidine and pyrrolidine derivatives, as being isolated from Piper longum for the first time.
- The findings contribute to the phytochemical knowledge of Piper longum, potentially aiding in the discovery of new bioactive compounds.
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