Automated Combinatorial Flow Chemistry with the FlowSyn Auto-LF Loop Filling Module from Uniqsis

28 Apr 2013
Sarah Thomas
Associate Editor

The FlowSyn Auto-LF loop filling module from Uniqsis is a powerful and highly efficient module that allows chemists to automatically perform in sequence combinatorial flow chemistry experiments. Each experiment can be run under different conditions and utilize a different set of reagents or monomers.

Incorporating a separate liquid handler and fraction collector, FlowSyn Auto-LF enables sample loop filling in preparation for the next experiment to take place before the current experiment has finished, thereby reducing overall reaction runtimes. Additionally, the module has no injection ports to leak or block, and the fully integrated robust wash protocols minimize the risk of cross-contamination. Sampler calibration ensures that reagent ‘plugs’ are positioned precisely in the loops to ensure volumetrically accurate partial loop filling that avoids wasting precious starting materials when performing reactions with different stoichiometries.

The powerful PC software included with FlowSyn Auto-LF makes real-time reaction monitoring and data logging straightforward. Data can be saved as a log file for each experiment to give an audit trail.

The Uniqsis FlowSyn™ is a compact integrated continuous flow reactor system designed for easy, safe and efficient operation. The FlowSyn™ range includes models for performing single or multiple homogeneous or heterogeneous reactions, either manually or automatically. The range of chemistries that can be explored with Uniqsis’ integrated and modular flow chemistry systems grows ever wider and is exemplified by the growing number of applications published both in the academic press and in Uniqsis’ own application notes.

FlowSyn Continuous Flow Reactor

Uniqsis Ltd

FlowSyn - Making Flow Chemistry Simple FlowSyn is a fully integrated continuous flow reactor with everything you need to start doing flow chemistry including reaction optimization, synthesis and scale up. To provide maximum flexibility, a wide range of mixer and reactor options are available as well as additional modules for performing multiple experiments, or sub-ambient chemistry. • Ability to perform continuous flow chemistry under microwave-like conditions (up to 260oC). • Perform sub-ambient continuous flow chemistry using the 'Cold Coil'. • Run up to 10 automated sequential experiments with the 'Automated Experiment Package'.A pair of high pressure pumps are used to deliver reagent solutions from either stock bottles or sample injection loops through a 'T'-mixer into the electrically heated flow reactors. Reactions can be heated to 260?C and 150?C in the coil and column reactor modules respectively. Back pressure regulators of up to 1000 psi are used to pressurise the system and thus perform superheating of solvents, allowing the chemist to access'microwave like' conditions with no limitation on scale. FlowSyn is very easy to use with a high resolution user interface. The user is guided through the process for setting up a flow chemistry reaction by inputting parameters for reagent volumes, temperatures and reaction times. The user can choose to collect all of the reaction plug, or only the 'steady state' part. FlowSyn will then equilibrate and run the reaction, and finally flush the system through with solvent. Throughout FlowSyn will monitor the pressure of the system, and shut down if a problem occurs allowing FlowSyn to be safely run unattended.

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Automated Combinatorial Flow Chemistry with the FlowSyn Auto-LF Loop Filling Module from Uniqsis