A sulphated triterpenoid saponin from Schefflera octophylla

Area of Science:

• Natural Product Chemistry
• Phytochemistry
• Organic Chemistry

Background:

• Schefflera octophylla is a plant species known for its potential medicinal properties.
• Triterpene glycosides are a class of natural compounds with diverse biological activities.
• Investigating the chemical constituents of medicinal plants can lead to the discovery of novel compounds.

Purpose of the Study:

• To isolate and characterize new chemical constituents from the dried leaves of Schefflera octophylla.
• To elucidate the structure of a newly discovered sulphated triterpene glycoside.

Main Methods:

• Extraction of compounds from dried Schefflera octophylla leaves.
• Purification of the isolated constituents.
• Structure elucidation using spectroscopic data (e.g., NMR, Mass Spectrometry) and chemical transformations.

Main Results:

• A new sulphated triterpene glycoside was successfully isolated from the plant material.
• The structure of the novel compound was determined to be 3-epi-betulinic acid 3-O-sulphate 28-O-[alpha-L-rhamnopyranosyl(1----4)-O-beta-D-glucopyranosyl (1----6)]-beta-D-glucopyranoside.

Conclusions:

• The study reports the discovery and structural determination of a novel sulphated triterpene glycoside from Schefflera octophylla.
• This finding contributes to the phytochemical knowledge of the Schefflera genus and may provide a basis for further pharmacological investigations.