Displacement reaction of thiophenol on 1-bromooctane by phase transfer catalysis through liquid-liquid flat interface.

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  • 液液定界面を通しての相間移動触媒作用による１‐ブロモオクタンのチオフェノール置換反応
  • エキエキ テイ カイメン オ トオシテ ノ ソウカン イドウ ショクバイ サヨ

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Abstract

The mass-transfer effect on reaction of 1-bromooctane with thiophenoxide ion, catalyzed by tetrabutylammonium cation, was studied in an agitated vessel with a plane interface.<BR>In both phases-benzene and aqueous solution of 2N sodium hydroxide-the phase equilibrium of catalyst or volume ratio of the two phases and the reaction rate were measured by changing the concentration of catalyst, interfacial area or agitation speed.<BR>Results of the equilibrium and kinetics studies indicated that the diffusion rates of tetrabutylammonium thiophenoxide, its dimer tetrabutylammonium bromide were much lower than the chemical reaction rate in a heterogeneous system.

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