Hammett, LP (English spelling) HammettLP

Japanese: Hammett,L.P.(英語表記)HammettLP
Hammett, LP (English spelling) HammettLP

…An empirical law proposed by Louis Plack Hammett (1894- ) in 1935 to quantitatively discuss the effect of substituents on the reaction and equilibrium of substituted benzenes. In the reaction or equilibrium at reaction center Y of substituted benzenes A and B shown above, the ratio of the rate constant K or reaction rate constant k of the parent compound (X = H) to that of the substituted compound is expressed as log( kX / k0 ) = ρσ or log( KX / K0 ) = ρσ, which is the relationship that shows Hammett's law. …

*Some of the terminology that mentions "Hammett, LP" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…置換ベンゼンの反応や平衡に及ぼす置換基の効果を定量的に論じるために,1935年ハメットLouis Plack Hammett(1894‐ )によって提出された経験則。上に示す置換ベンゼンAおよびBの反応中心Yにおける反応または平衡において,親化合物(X=H)と置換体の速度定数Kもしくは反応速度定数kの比は, log(kX/k0)=ρσまたは log(KX/K0)=ρσで表され,これがハメット則を示す関係式である。…

※「Hammett,L.P.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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