A phenethyl bromo ester from Citharexylum fruticosum

Area of Science:

• Natural Product Chemistry
• Organic Chemistry
• Phytochemistry

Background:

• Citharexylum fruticosum (Verbenaceae) is a plant species known for its potential medicinal properties.
• The isolation and characterization of bioactive compounds from plant sources are crucial for drug discovery and development.

Purpose of the Study:

• To isolate and elucidate the chemical structure of novel compounds from the stem bark of Citharexylum fruticosum.
• To report the detailed structure elucidation of a new compound, (2S)-p-hydroxyphenethyl 2-bromo-2-methyldodeconate (1).

Main Methods:

• Isolation of compounds using chromatographic techniques.
• Structure elucidation utilizing Nuclear Magnetic Resonance (NMR) spectroscopy (1H, 13C, COSY, HMBC).
• High and low-resolution mass spectrometry (MS) for structural confirmation.

Main Results:

• Four compounds were isolated: (2S)-p-hydroxyphenethyl 2-bromo-2-methyldodeconate (1), 7,3'-dimethoxy-5,4'-dihydroxy flavone, lupeol, and stigmasterol.
• The structure of compound 1 was definitively established through comprehensive spectroscopic analysis.
• The isolated flavone, lupeol, and stigmasterol were identified and confirmed.

Conclusions:

• The study successfully identified and characterized a new compound from Citharexylum fruticosum.
• The findings contribute to the phytochemical knowledge of the Verbenaceae family.
• The detailed structure elucidation of compound 1 provides a basis for further pharmacological investigations.