Generation of Nitrile Oxides Through O-Metalation of Hydroximoyl Chlorides. Chelation-Controlled syn-Selective Cycloaddition of Nitrile Oxides to α-Substituted Allyl Alcohols.

@article{Kanemasa1991GenerationON,
  title={Generation of Nitrile Oxides Through O-Metalation of Hydroximoyl Chlorides. Chelation-Controlled syn-Selective Cycloaddition of Nitrile Oxides to $\alpha$-Substituted Allyl Alcohols.},
  author={S. Kanemasa and Shigeru Kobayashi and M. Nishiuchi and Hidetoshi Yamamoto and E. Wada},
  journal={Tetrahedron Letters},
  year={1991},
  volume={32},
  pages={6367-6370}
}
Abstract New generation of nitrile oxides by treatment of hydroximoyl chlorides with organometallics is reported. Their cycloadditions to the allyl alcohols bearing a chiral center at the 1-position proceed in a syn-selective manner, providing the first example of stereocontrol of 1,3-dipolar cycloaddition by the aid of metal chelation. 
Catalytic Enantioselective [3 + 2] Cycloaddition of α-Keto Ester Enolates and Nitrile Oxides.
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