A highly effective quenching method of 1,3-dipolar cycloadditions of nitrile oxides or nitrile oxide/Lewis acid complexes by use of 2-propenyloxymagnesium bromide

@article{Kanemasa1993AHE,
  title={A highly effective quenching method of 1,3-dipolar cycloadditions of nitrile oxides or nitrile oxide/Lewis acid complexes by use of 2-propenyloxymagnesium bromide},
  author={S. Kanemasa and M. Nishiuchi},
  journal={Tetrahedron Letters},
  year={1993},
  volume={34},
  pages={4011-4014}
}
Abstract 2-Propenyloxymagnesium bromide, readily prepared by treating 2-propen-l-ol with EtMgBr, is a highly effective quencher of nitrile oxide cycloadditions since this alkoxide is much more reactive to nitrile oxides than any other ever known dipolarophiles of the electron-deficient, electron-rich, and strained types, including 3-buten-2-one, ethyl vinyl ether, and norbornene, respectively. This quencher is also effectively utilized to terminate the dipolar cycloadditions of nitrile oxide… Expand
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