Ba(OH)2 as the Catalyst in Organic Reactions‐Part X‐Reaction of Chalcone with Hydroxylamine
作者： J. V. Sinisterra , J. M. Marinas
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摘要: The reaction of several chalcones with hydroxilamine has been studied. A systematic catalytic study the synthetic process accomplished. different experimental conditions have catalyzed in homogeneous phase gives mixture products. Nevertheless by activated barium hydroxide catalyst, C-200., heterogeneous phase, produces Δ2 -isoxazolines high yields and selectivities. - mechanism is discussed. poisoning effect on C-200 active sites, produced an excess NH2OH analyzed. Some reactions products are described first time.
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