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Automating reaction synthesis for more precise high-throughput experimentation

Recursion partnered with Labman to develop an automated reaction synthesis platform designed to improve reproducibility, reduce hands-on time and increase the throughput of challenging chemical reactions.
10 min read
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Recursion and Labman Automating reaction synthesis for HTE
Chloe AustinSenior Automation Chemist, Recursion
Recursion and Labman Automating reaction synthesis for HTE
Challenge
For Recursion’s automated synthesis team, finding and troubleshooting reaction conditions had traditionally involved a highly manual process. The existing workflow had limited throughput, relied on equipment that had been retrofitted for the application, and offered limited reproducibility. The reaction environment was also inconsistent, with no glovebox available as part of the process.
Solution
Recursion initially approached the project looking for a solid-handling solution. As the requirements developed, the scope grew into a complete automated reaction synthesis platform. Labman developed a bespoke system incorporating automated solid and liquid handling, reaction incubation, scheduling and integration with Recursion’s software and LIMS ecosystem.
Results
The automated platform has increased productivity from a couple of plates per month to an average of around 10 plates per month - approximately a 5x increase. The reduction in hands-on time is even more significant. A manual optimisation process can take a chemist two to three weeks of hands-on work for a single reaction. Using the manual HTE process, this could take around three days. With the automated platform, the same work typically requires just two to three hours of hands-on time.

5x

Increase in productivitycompared with the previous manual HTE process

2-3 hours

Typical hands-on time requiredfor an optimisation using the automated platform, compared with weeks of manual optimisation

A flexible approach to automation

Recursion is a clinical stage TechBio company decoding biology to radically improve lives. Enabling it’s advancement of a portfolio of differentiated investigational medicines, is Recursion’s AI-native, end-to-end drug discovery and development platform integrating biology, chemistry, and clinical development into a unified intelligence system. Its automated synthesis team focuses on exploring and optimising chemical reactions, generating high-quality, machine-readable data to support high-throughput experimentation.

As the team looked to expand its high-throughput experimentation (HTE) capabilities, the goal was to create a platform that could accurately dose small quantities of material, handle liquids and reaction incubation reliably, and run with minimal hands-on intervention.

Recursion and Labman Automating reaction synthesis for HTE

Crucially, the system also needed to integrate seamlessly with Recursion’s existing software ecosystem, allowing the resulting reaction data to be captured in a consistent, machine-readable format.

The result is an automated synthesis platform that gives Recursion a more reproducible and flexible way to investigate reaction conditions, while significantly reducing the amount of hands-on time required from its scientists.

"Since having our automation platform specifically designed for HTE, we’ve been able to increase productivity by five times as much so far"
Chloe AustinSenior Automation Chemist, Recursion
Recursion and Labman Automating reaction synthesis for HTE

A key part of the development was the ability to handle very small reaction volumes. With typical volumes below 100 µL, preventing solvent loss during reactions was critical.

To address this, Labman worked with Recursion on a proof of concept for an automated plate-sealing system. The team developed a new reaction lid and sealing system while allowing Recursion to continue using its existing commercial reaction blocks.

"Labman were really willing to work with us, generate a proof of concept, to de-risk the project ahead of time"
Recursion and Labman Automating reaction synthesis for HTE

The platform’s API was customised around Recursion’s workflow requirements, giving the team flexibility in how the system was operated and troubleshot. Following installation, the platform integrated into Recursion’s LIMS ecosystem.

As the team continues to explore increasingly challenging reactions, the platform provides a foundation for taking on more concurrent projects and expanding the role of automation within automated synthesis.

"Working with Labman to develop this automated HTE platform has allowed us to automate the synthesis of more chemistry. It’s also allowed us to generate high-fidelity data sets that we can use elsewhere in the business"
Recursion and Labman Automating reaction synthesis for HTE