The Longer Route can be Better: Electrosynthesis in Extended Path Flow Cells

Area of Science:

• Electrochemistry
• Organic Synthesis
• Chemical Engineering

Background:

• Personal account of developing flow electrolysis cells.
• Collaboration with chemists and engineers.
• Focus on organic electrosynthesis applications.

Purpose of the Study:

• To develop flow electrolysis cells for organic electrosynthesis.
• To demonstrate laboratory scale-up and high productivity.
• To emphasize the importance of cell design.

Main Methods:

• Development of extended path electrolysis flow reactors.
• Design and modification of recycle flow cells.
• Application in various organic electrosyntheses.

Main Results:

• Successful laboratory scale-up producing several moles of product.
• High productivities achieved (mg h⁻¹ to g h⁻¹).
• Selective and high-conversion reactions demonstrated.

Conclusions:

• Flow electrolysis offers efficient and scalable synthetic routes.
• Cell design is critical for optimal performance.
• Demonstrated utility in diverse organic transformations.