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Nitrene transfer reactions catalyzed by gold complexes.

Zigang Li1, Xiangyu Ding, Chuan He

  • 1Department of Chemistry, University of Chicago, 5735 South Ellis Avenue, Chicago, Illinois 60637, USA.

The Journal of Organic Chemistry
|July 29, 2006
PubMed
Summary

This study introduces the first gold-catalyzed nitrene transfer, enabling efficient olefin aziridination and carbene insertion into benzene using a novel gold(I) complex.

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Area of Science:

  • Organometallic Chemistry
  • Catalysis
  • Synthetic Organic Chemistry

Background:

  • Nitrene transfer reactions are crucial for synthesizing nitrogen-containing compounds.
  • Developing efficient and selective catalytic systems for these transformations remains a key challenge in organic chemistry.

Purpose of the Study:

  • To report the first successful gold-catalyzed nitrene transfer reaction.
  • To develop a novel gold(I) catalyst for olefin aziridination and carbene insertion reactions.

Main Methods:

  • Utilized a gold(I) compound with a sterically hindered terpyridine ligand (tBu3tpy).
  • Employed phenyliodine(III) diacetate (PhI(OAc)2) as the oxidant in conjunction with sulfonamides.
  • Investigated the catalytic activity of the gold complex in olefin aziridination and carbene insertion into benzene.

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Main Results:

  • The gold(I)/tBu3tpy complex efficiently catalyzed olefin aziridination using sulfonamides and PhI(OAc)2.
  • The catalytic system demonstrated activity in mediating carbene insertion into benzene.
  • This represents a significant advancement in gold-catalyzed C-N bond formation.

Conclusions:

  • Gold catalysis offers a new and effective pathway for nitrene transfer reactions.
  • The developed system provides a versatile method for synthesizing aziridines and functionalizing aromatic rings.