Limonoids and phytol derivatives from Cedrela sinensis

Area of Science:

• Natural Product Chemistry
• Phytochemistry
• Organic Chemistry

Background:

• Cedrela sinensis is a plant species known for its potential bioactive compounds.
• Phytochemical investigations are crucial for discovering novel natural products with therapeutic potential.

Purpose of the Study:

• To isolate and characterize new and known chemical constituents from the leaves of Cedrela sinensis.
• To elucidate the structures of isolated compounds using comprehensive spectroscopic analyses.

Main Methods:

• Extraction of compounds from Cedrela sinensis leaves.
• Isolation of compounds using chromatographic techniques.
• Structure elucidation employing one-dimensional (1D) and two-dimensional (2D) nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry.

Main Results:

• Two new compounds, cedrellin (1) and 2,6,10,15-phytatetraene-14-ol (2), were successfully isolated.
• Five known compounds, including phytol derivatives and acetates, were also identified.
• The structures of all isolated compounds were confirmed through detailed spectral data analysis.

Conclusions:

• The phytochemical investigation of Cedrela sinensis leaves yielded two new compounds and five known ones.
• The structural elucidation confirmed the presence of unique chemical entities within this plant species.
• This study contributes to the understanding of the chemical diversity of Cedrela sinensis.