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Updated: Jul 30, 2025
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Development of Heterogeneous Enantioselective Catalysts using Chiral Metal-Organic Frameworks MOFs
Published on: January 17, 2020
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Generality-oriented optimization of enantioselective aminoxyl radical catalysis.
Jonas Rein1, Soren D Rozema2, Olivia C Langner2
1Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA.
Science (New York, N.Y.)
|May 18, 2023
Summary
This study introduces a novel catalytic method for creating chiral molecules from simple diols. The developed catalyst is highly effective across various substrates, offering a significant advancement in asymmetric synthesis.
Area of Science:
- Organic Chemistry
- Catalysis
- Asymmetric Synthesis
Background:
- Developing broadly applicable catalytic enantioselective methods remains a challenge.
- Oxidative desymmetrization of meso-diols is a key transformation for generating chiral compounds.
Purpose of the Study:
- To develop a general catalytic strategy for the oxidative desymmetrization of meso-diols.
- To achieve high enantioselectivity across a wide range of substrates.
Main Methods:
- Employed a nontraditional catalyst optimization protocol using a panel of screening substrates.
- Rational modulation of a peptide catalyst sequence, incorporating an aminoxyl-based active residue.
Main Results:
- A general catalyst was identified, demonstrating high selectivity for enantioenriched lactones.
- The method proved effective across a broad range of diol substrates.
- Achieved exceptionally high catalytic turnover numbers (up to ~100,000).
Conclusions:
- The developed catalytic system represents a significant advancement in enantioselective synthesis.
- The substrate-focused optimization approach is effective for discovering general catalysts.
- This method provides a powerful tool for accessing enantioenriched lactones.
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