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Related Experiment Videos

Semi-automated high throughput combinatorial solid-phase organic synthesis.

V Krchnák1

  • 1SIDDCO, 9040 South Rita Rd., Tucson, Arizona 85747, USA. krchnak@siddco.com

Biotechnology and Bioengineering
|July 9, 1999
PubMed
Summary

A novel semi-automated technique enables massive parallel solid-phase organic synthesis using a "split only" strategy. This method facilitates the high-throughput synthesis of thousands of diverse compounds daily.

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Area of Science:

  • Organic Chemistry
  • Synthetic Chemistry
  • Chemical Engineering

Background:

  • Solid-phase organic synthesis (SPOS) is crucial for combinatorial chemistry.
  • Current SPOS methods can be limited in throughput and automation.
  • Efficient liquid exchange and resin separation are key challenges in parallel synthesis.

Purpose of the Study:

  • To develop a semi-automated, high-throughput technique for massive parallel solid-phase organic synthesis.
  • To introduce novel reaction vessels simplifying liquid handling and resin management.
  • To enable the rapid synthesis of diverse compound libraries.

Main Methods:

  • A "split only" strategy was employed for parallel synthesis.
  • Two types of reaction vessels were utilized: domino blocks for initial steps and microplates for combinatorial steps.

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  • Gaseous cleavage was integrated as the final synthetic step.

    • Main Results:

    • The technique allows for massive parallel synthesis on solid phase with simplified liquid exchange.
    • Microplate synthesis eliminated the need for filters, improving efficiency.
    • Thousands of diverse disubstituted benzene compounds were synthesized daily in milligram quantities.

    Conclusions:

    • The described semi-automated technique significantly enhances the efficiency and throughput of parallel solid-phase organic synthesis.
    • The use of domino blocks and filter-less microplates streamlines the synthetic process.
    • This approach is suitable for generating large, diverse compound libraries for drug discovery and materials science.