A new triterpenoidal ester from Celastrus rosthornianus

Area of Science:

• Natural Product Chemistry
• Phytochemistry
• Organic Chemistry

Background:

• Celastrus rosthornianus is a plant species with potential medicinal properties.
• Isolation and structural elucidation of compounds from plant sources contribute to understanding their chemical diversity.

Purpose of the Study:

• To isolate and characterize a novel compound from the stalks of Celastrus rosthornianus.
• To elucidate the chemical structure of the isolated compound using spectroscopic and chemical techniques.

Main Methods:

• Extraction and isolation of the target compound from plant material.
• Structure determination using Mass Spectrometry (MS).
• 1D and 2D Nuclear Magnetic Resonance (NMR) spectroscopy.
• Chemical degradation for structural confirmation.

Main Results:

• Isolation of 3-O-Palmitate of 1beta, 3beta, 11beta-trihydroxy-olean-12-ene (compound 1).
• Elucidation of its triterpenoid structure through comprehensive spectroscopic analysis.
• Confirmation of the proposed structure via chemical degradation studies.

Conclusions:

• The study successfully identified and characterized a new oleanane-type triterpenoid from Celastrus rosthornianus.
• The findings expand the knowledge of the chemical constituents of Celastrus species.