Synthesis of 2H-Azirines by Iridium-Catalyzed Decarboxylative Ring Contraction of Isoxazol-5(4H)-ones.

Angew Chem Int Ed Engl

Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan.

Published: June 2016

AI Article Synopsis

  • A new iridium-catalyzed reaction creates 2H-azirines from isoxazol-5(4H)-ones without using phosphine.
  • The process involves decarboxylation and ring contraction, offering a more efficient method for synthesizing these compounds.
  • This approach is environmentally friendly and could serve as an alternative to traditional synthesis methods.

Article Abstract

A phosphine-free iridium-catalyzed reaction of isoxazol-5(4H)-ones (isoxazolones) has been developed, and affords 2H-azirines through decarboxylation and ring contraction. This method provides an efficient and environmentally benign protocol which could replace the conventional approaches used to synthesize 2H-azirines.

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http://dx.doi.org/10.1002/anie.201602241DOI Listing

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