The Effect of Metal Oxycarbonyl Group on the Claisen Rearrangement

  • OKADA Yutaka
    Department of Applied Chemistry, Faculty of Science and Engineering, Ritsumeikan University
  • UENO Takashi
    Department of Applied Chemistry, Faculty of Science and Engineering, Ritsumeikan University
  • HAYASHI Takatoshi
    Department of Applied Chemistry, Faculty of Science and Engineering, Ritsumeikan University

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  • Effect of Metal Oxycarbonyl Group on the Claisen Rearrangement

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Abstract

The Claisen rearrangement of 2-allyloxybenzoic acid and its alkali and alkaline-earth metal salts was carried out. For the alkali metal salts, no accelerated effect was observed. There is also no accelerated effect for alkali metal salts in a nonpolar solvent. However, a significantly high reactivity was observed for the alkaline-earth metal salts in a nonpolar solvent. This is attributed to the chelate formation between the ethereal oxygen and the -COO-.<br>

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