Electrocatalytic C-H activation and fluorination using high-valent Cu.

Area of Science:

• Catalysis
• Electrochemistry
• Organic Synthesis

Background:

• C-H bond functionalization is a key challenge in organic synthesis.
• Developing selective and efficient fluorination methods remains an active area of research.

Purpose of the Study:

• To demonstrate the utility of electrochemical methods for catalytic C-H bond fluorination.
• To investigate the mechanism of copper-catalyzed C-H activation driven by oxidation.

Main Methods:

• Electrochemical synthesis
• Copper catalysis
• Mechanistic studies

Main Results:

• High-valent copper was employed to achieve catalytic turnover in C-H bond fluorination.
• Selective fluorination of more hydridic C-H bonds was observed.
• Mechanistic investigations revealed an oxidation-driven C-H activation pathway.

Conclusions:

• Electrochemical methods offer a powerful approach for enabling catalytic C-H fluorination.
• The study presents a rare example of catalytic oxidation-driven C-H activation.