Crossed Tischtschenko Reaction of Acetaldehyde with n-Butyraldehyde

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  • アセトアルデヒドとn-ブチルアルデヒドとのクロスチシュチェンコ反応
  • アセトアルデヒド ト n-ブチルアルデヒド ト ノ クロスチシュチェンコ ハンノウ

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Ethyl acetate, ethyl n-butyrate, n-butyl acetate and n-butyl n-butyrate were synthesized by the crossed Tischtschenko reaction between acetaldehyde and n-butyraldehyde with metal alkoxide as the catalyst. An increase in the ratio of acetaldehyde in the raw material showed a tendency to retard the formation of n-butyrate. It was found that the formation of n-butyl acetate was increased by the addition of a small amount of mercuric chloride as an accelerator for the reaction. The formation of ethyl acetate was larger in carbon tetrachloride as a solvent. In this catalytic reaction, aldehyde coordinated with aluminium showed a tendency to turn into acid side of the esters formed. The yield of ester was 70-80% and the conversion was 60-70%.

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