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- W1990040397 abstract "By photolysis of diethyl ketone in the presence of the amine or hydrazine Arrhenius parameters have been obtained for hydrogen-abstraction reactions of the ethyl radicals: [graphic omited] These results are based on an assumed rate constant for the combination of ethyl radicals given by log k1= 14·0 (mole–1 cm.3 sec.–1). For the reactions with methylamine and dimethylamine the Arrhenius parameters are derived from composite rate constants for the radical attack at both methyl and amino-groups.The activation energy for attack of ethyl radicals on hydrazine is similar to that for attack of methyl radicals on hydrazine despite the additional 6 kcal. exothermicity of the latter reaction. It appears that alkyl radicals have the same reactivity in hydrogen-abstractions when the substrate contains a relatively weak X–H bond. The results for reactions of ethyl radicals with methylamines are compared with the analogous reactions involving methyl radicals." @default.
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- W1990040397 date "1966-01-01" @default.
- W1990040397 modified "2023-09-26" @default.
- W1990040397 title "Hydrogen-abstraction reactions by ethyl radicals from methylamines and hydrazine" @default.
- W1990040397 doi "https://doi.org/10.1039/j19660001500" @default.
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