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Stereodivergent Macrocyclization in Dynamic Chiral Confinement.

Linfeng Tan1, Tianyi Zheng1, Yongsheng Li1

  • 1Department of Chemistry, State Key Lab of Molecular Engineering of Polymers, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, China.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|November 18, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed a stereodivergent macrocyclization method using dynamic chiral confinement. This innovative approach achieves complete stereocontrol in synthesizing complex macrocyclic natural products, opening new avenues in synthetic chemistry.

Keywords:
Chiral macrocyclizationChirality switchingDynamic confinementFull stereodivergenceMultiple chirality induction

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Area of Science:

  • Organic Chemistry
  • Stereochemistry
  • Supramolecular Chemistry

Background:

  • Macrocyclic natural products with multiple chiral centers are vital for biological activity.
  • Synthesizing these molecules with precise stereochemical control remains a significant challenge in organic chemistry.

Purpose of the Study:

  • To develop a novel method for stereoselective synthesis of macrocyclic natural products.
  • To achieve complete stereocontrol in macrocyclization through dynamic chiral confinement.

Main Methods:

  • Utilized a chiral capsule to dynamically confine a substrate.
  • Employed stepwise chirality switching within the confined space to direct stereochemistry.
  • Performed single-pot macrocyclization with sequential installation of chirality.

Main Results:

  • Demonstrated complete stereocontrol in macrocyclization via dynamic chiral confinement.
  • Achieved remarkable stereodivergence by altering the sequence of physical stimuli.
  • Successfully synthesized complex macrocyclic structures with defined absolute and relative configurations.

Conclusions:

  • Dynamic chiral confinement offers a powerful strategy for stereoselective macrocyclization.
  • This method enables the synthesis of complex chiral molecules with high precision.
  • The approach provides access to diverse stereoisomers through controlled manipulation of chiral environments.