Consecutive photochemical reactions enabled by a dual flow reactor coil strategy

Area of Science:

• Organic Chemistry
• Photochemistry
• Chemical Engineering

Background:

• Photochemical reactions are crucial in modern synthesis but often require specialized setups.
• Sequential photochemical reactions typically involve multiple reactor systems, increasing complexity.
• Continuous flow chemistry offers advantages in control and scalability for photochemical processes.

Purpose of the Study:

• To present a dual reactor coil system for performing consecutive photochemical reactions in continuous flow.
• To demonstrate the use of a single LED light source for two distinct photochemical steps.
• To showcase the telescoped synthesis and functionalization of drug-like quinolines using this intensified strategy.

Main Methods:

• Development and application of a dual reactor coil for continuous flow photochemistry.
• Utilizing a single, shared LED light source for sequential photochemical transformations.
• Telescoped synthesis of quinoline derivatives without intermediate isolation.

Main Results:

• Successful execution of two distinct photochemical reactions consecutively in a single flow system.
• Demonstration of a simplified, intensified process for synthesizing functionalized quinolines.
• Comparison showing advantages over traditional sequential photochemical reactor setups.

Conclusions:

• The dual reactor coil enables efficient, uninterrupted consecutive photochemical reactions.
• This strategy significantly intensifies the exploitation of photochemistry in synthetic chemistry.
• The approach offers a streamlined method for producing complex molecules like drug-like quinolines.