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Parallel purification of microscale libraries via automated solid phase extraction.

Michael Wleklinski1, Paige M Carpenter1, Kevin D Dykstra1

  • 1Department of Discovery Chemistry, Merck & Co., Inc., Rahway, NJ 07065, USA.

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|February 29, 2024
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Summary
This summary is machine-generated.

High-throughput experimentation (HTE) accelerates drug discovery, but purification remains a bottleneck. A new automated solid phase extraction (SPE) method significantly enhances compound purity for faster drug development.

Keywords:
AnalyticalAutomationHTEParallel purificationParallel synthesis

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Area of Science:

  • Medicinal Chemistry
  • Process Chemistry
  • Drug Discovery

Background:

  • High-throughput experimentation (HTE) is crucial for accelerating drug discovery, enabling rapid reaction optimization and the synthesis of large compound libraries.
  • Despite advances in HTE, the purification of synthesized compounds remains a significant bottleneck, consuming valuable time and resources and hindering the make, test, design (DMT) cycle.
  • Existing purification methods often lack the efficiency and scalability required to keep pace with the demands of modern drug discovery workflows.

Purpose of the Study:

  • To develop and validate a general, parallel purification strategy for compound libraries generated via HTE.
  • To address the persistent purification bottleneck in drug discovery workflows.
  • To improve the efficiency, sustainability, and purity of compound libraries produced through HTE.

Main Methods:

  • Implementation of a parallel purification workflow utilizing solid phase extraction (SPE).
  • Automation of the SPE process for seamless integration with HTE library synthesis.
  • Application of the developed method to a diverse library of compounds synthesized via amide-bond coupling in a microscale HTE format.

Main Results:

  • Demonstrated a significant upgrade in compound purity through the automated SPE workflow.
  • Showcased the efficiency and robustness of the parallel purification approach.
  • Successfully integrated the purification workflow with HTE library synthesis, streamlining the overall drug discovery process.

Conclusions:

  • The described automated SPE method offers a more efficient and sustainable solution to the purification challenges in HTE-driven drug discovery.
  • This user-friendly workflow significantly enhances compound purity, accelerating the DMT cycle and facilitating the development of novel therapeutics.
  • The approach is broadly applicable to various compound libraries synthesized using HTE techniques.