Ortho substituent effect of the side-chain phenyl group on the dehydrogenation of flavanones with 2,3-dichloro-5,6-dicyano-p-benzoquinone.
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概要
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Rates of the dehydrogenation of 2′-substituted flavanones with 2,3-dichloro-5,6-dicyano-<I>p</I>-benzoquinone were measured by means of HPLC analyses. All substituents at the ortho position of the side-chain phenyl group of flavanones showed a retarding effect on the reaction. A correlation analysis for the ortho effect using the linear combination model has led to a conclusion that the inductive effect is much more important than the steric and the resonance effect, and that the steric effect is slightly greater than the resonance effect.
- 公益社団法人 日本化学会の論文
著者
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HOSHINO Yukio
Department of Applied Chemistry, Muroran Institute of Technology
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Takeno Noboru
Department Of Applied Chemistry Muroran Institute Of Technology
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