Natural occurring 2-(2-phenylethyl) chromones, structure elucidation and biological activities

Area of Science:

• Natural Product Chemistry
• Medicinal Chemistry
• Pharmacology

Background:

• 2-(2-Phenylethyl) chromone (PEC) represents an uncommon class of chromone compounds.
• These compounds are characterized by a phenylethyl substituent at the C2 position.
• PEC derivatives have been isolated from various plant species, indicating their natural origin.

Purpose of the Study:

• To review naturally occurring 2-(2-phenylethyl) chromone (PEC) derivatives.
• To document the plant sources of these PEC compounds.
• To summarize their physical and spectral data, alongside their diverse biological activities.

Main Methods:

• Literature review of scientific databases for naturally occurring PEC derivatives.
• Compilation of data on isolation, identification, and characterization of PEC compounds.
• Systematic collection of reported biological activities, including neuro-protective, cytotoxic, acetylcholinesterase inhibitory, antibacterial, and anti-inflammatory effects.

Main Results:

• Identification of several PEC derivatives isolated from different plant sources.
• Detailed physical and spectral data (e.g., NMR, Mass Spectrometry) for characterized PECs.
• Comprehensive summary of the promising biological activities exhibited by these natural compounds.

Conclusions:

• Naturally occurring PEC derivatives are a valuable source of bioactive molecules.
• These compounds demonstrate a wide spectrum of pharmacological potential, particularly in neuroprotection and inflammation.
• Further research into PECs could lead to the development of novel therapeutic agents.