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Updated: May 19, 2026

Applications of Liquid-Chromatography Tandem Mass Spectrometry in Natural Products Research: Tropane Alkaloids as a Case Study

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Phragmalin-type limonoids from Heynea trijuga.

Wei Yang¹, Lingmei Kong, Yu Zhang

¹State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, PR China.

|August 15, 2012

Summary

Nine new limonoids from Heynea trijuga were identified. Some compounds exhibited insecticidal and weak anticancer activity against human tumor cell lines.

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Area of Science:

Natural Product Chemistry
Phytochemistry
Medicinal Chemistry

Background:

Heynea trijuga is a plant species known for its potential medicinal properties.
Limonoids are a class of terpenoids found in plants, often exhibiting diverse biological activities.

Purpose of the Study:

To isolate and characterize new phragmalin-type limonoids from Heynea trijuga.
To evaluate the insecticidal and cytotoxic activities of the isolated compounds.

Main Methods:

Isolation of compounds using chromatographic techniques.
Structure elucidation through extensive spectroscopic analysis (NMR, MS).
Bioassays for insecticidal activity and cytotoxicity against human tumor cell lines.

Main Results:

Nine new phragmalin-type limonoids, named heytrijumalins A-I (1-9), were isolated.
The known compound 15-acetyltrichagmalin E (10) was also isolated.
Compounds 6 and 10 demonstrated significant insecticidal activity.
Compounds 2 and 10 exhibited weak cytotoxicity against HL-60 and A-549 cancer cell lines.

Conclusions:

The study successfully identified novel limonoids from Heynea trijuga.
The isolated compounds possess potential as insecticides and anticancer agents.
Further research is warranted to explore the therapeutic potential of these natural products.