14. アルケンのソノケミカル活性化

概要

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Extensive studies in our laboratory have revealed that the sonochemical switching from ionic to radial in the nature of the reaction of lead tetraacetate with styrenes in acetic acid stems from the possible sonochemical excitation of styrenes in the cavitation process. We have found that the yields of the radical reactions of substituted styrenes show a linear relationship with their vapor pressures. In order to establish the hypothesis that the sonochemical activation depends on the vapor pressures of the substrates under the particular reaction conditions, the sonochemical activation of various alkenes including substituted styrenes was analyzed by determining the decomposition of pyrocatechol, a radical scavenger, in an acetic acid solution in the absence of lead tetraacetate. Results will be discussed from the viewpoint mentioned above.
日本ソノケミストリー学会の論文