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Fast Reactions

Fast Reactions

Fast reactions occurring in times shorter than the time needed to mix reactants pose a unique challenge for investigation. In a liquid-phase continuous-flow system, reactants A and B are swiftly pushed into the mixing chamber, where mixing occurs within 1 ms. The reaction mixture then flows through an observation tube, and one measures light absorption to determine species concentrations at various points of the tube. This method is most appropriate when relatively large volumes of reactants...

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Utilization of Stop-flow Micro-tubing Reactors for the Development of Organic Transformations

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Published on: January 4, 2018

Parallel microflow photochemistry: process optimization, scale-up, and library synthesis.

Alexander Yavorskyy¹, Oksana Shvydkiv, Norbert Hoffmann

¹Dublin City University, School of Chemical Sciences, Dublin 9, Ireland.

Organic Letters

|August 22, 2012

Summary

This summary is machine-generated.

A new multimicrocapillary flow reactor (MμCFR) enables efficient photochemical synthesis. This technology streamlines sensitizer screening, optimization, and library production for 2(5H)-furanones.

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Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Millifluidics for Chemical Synthesis and Time-resolved Mechanistic Studies

Published on: November 27, 2013

Area of Science:

Organic Chemistry
Photochemistry
Chemical Engineering

Background:

Photochemical reactions offer unique synthetic pathways.
Efficient screening and optimization of sensitizers are crucial for reaction development.
Flow chemistry provides advantages in control and scalability.

Purpose of the Study:

To develop and evaluate a novel multimicrocapillary flow reactor (MμCFR).
To apply the MμCFR to sensitized photoadditions of 2(5H)-furanones.
To demonstrate the reactor's utility for various stages of chemical process development.

Main Methods:

Construction of a novel multimicrocapillary flow reactor (MμCFR).
Application of the MμCFR to sensitized photoaddition reactions.
Utilizing the reactor for sensitizer screening, process optimization, and library synthesis.

Main Results:

The MμCFR demonstrated high efficiency in sensitized photoadditions.
Rapid screening of sensitizers was achieved.
The reactor facilitated energy-, time-, and space-efficient process optimization and scale-up.

Conclusions:

The developed MμCFR is a versatile tool for photochemical synthesis.
The reactor enables efficient and scalable production of 2(5H)-furanone derivatives.
MμCFR technology accelerates the development and application of photochemical reactions.