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A Fluorescence-Based High-Throughput Screening Method for Olefin Metathesis Using a Ratiometric Fluorescent Probe.

Hyeongju Noh1, Taeho Lim1, Byoung Yong Park1

  • 1Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.

Organic Letters
|December 20, 2019
PubMed
Summary

A new fluorescent probe, (Z)-1,8-Di(pyren-1-yl)oct-4-ene, simplifies olefin metathesis monitoring. This method accurately tracks reaction conversions using fluorescence, enabling high-throughput screening.

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Area of Science:

  • Organic Chemistry
  • Materials Science

Background:

  • Olefin metathesis is a crucial reaction in organic synthesis.
  • Accurate monitoring of reaction conversion is essential for optimization.
  • Existing methods for monitoring olefin metathesis can be time-consuming.

Purpose of the Study:

  • To develop a novel fluorescent probe for monitoring olefin metathesis reactions.
  • To validate the probe's accuracy against established analytical techniques.
  • To assess the probe's applicability in high-throughput screening.

Main Methods:

  • Synthesis of the fluorescent probe (Z)-1,8-Di(pyren-1-yl)oct-4-ene.
  • Utilizing ratiometric fluorescence intensity changes to quantify substrate conversion.
  • Comparison of probe-based conversion data with gas chromatography (GC) results.

Main Results:

  • The fluorescent probe accurately monitored olefin metathesis conversions under various conditions.
  • Probe-derived conversion data showed strong agreement with GC measurements.
  • The fluorescence-based method proved to be a simple and reliable alternative.

Conclusions:

  • Fluorescence monitoring using (Z)-1,8-Di(pyren-1-yl)oct-4-ene offers a straightforward approach to determine olefin metathesis conversions.
  • This method is suitable for high-throughput screening, accelerating the discovery and optimization of olefin metathesis catalysts and conditions.