Palladium-Catalyzed Carbene Se-H Insertion Reaction for C-Se Bond Formation

Area of Science:

• Organoselenium chemistry
• Catalysis
• Medicinal chemistry

Background:

• Organoselenium compounds are vital in various scientific fields.
• Existing C-Se bond formation methods have limitations, including harsh conditions and poor substrate compatibility.
• Developing efficient C-Se bond construction is crucial.

Purpose of the Study:

• To report a novel palladium-catalyzed Se-H insertion reaction for C-Se bond formation.
• To establish a robust and efficient method for synthesizing organoselenium compounds.
• To explore the potential of newly synthesized compounds as antifungal agents.

Main Methods:

• Palladium-catalyzed Se-H insertion reaction utilizing diazo compounds.
• Deuterium-labeling experiments and control experiments for mechanistic studies.
• Antifungal activity assays against Candida albicans and Cryptococcus neoformans.

Main Results:

• An efficient palladium-catalyzed method for C-Se bond formation was established.
• The reaction demonstrated a broad substrate scope and excellent functional group tolerance under mild conditions.
• Several synthesized organoselenium compounds showed promising antifungal activity.

Conclusions:

• The developed method provides a significant advancement in C-Se bond formation strategies.
• The novel organoselenium compounds represent a new class of potential antifungal agents.
• This work facilitates further research in organoselenium chemistry and antifungal drug discovery.