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首页> 外文期刊>Chemical Physics Letters >EXCITED-STATE DYNAMICS OF NAPHTHOYLNAPHTHVALENE - VALENCE ISOMERIZATION OF THE LOWEST EXCITED SINGLET STATE AND INTERMOLECULAR HYDROGEN-ATOM ABSTRACTION OF THE LOWEST EXCITED TRIPLET STATE
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EXCITED-STATE DYNAMICS OF NAPHTHOYLNAPHTHVALENE - VALENCE ISOMERIZATION OF THE LOWEST EXCITED SINGLET STATE AND INTERMOLECULAR HYDROGEN-ATOM ABSTRACTION OF THE LOWEST EXCITED TRIPLET STATE

机译：萘基萘戊环的激发态动力学-最低激发三态的价态异构化和最低激发三态的分子间氢-原子原子吸收

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By measurements of phosphorescence and transient absorption spectra as well as steady-state photolysis of the title compound (NNV), it is concluded as follows: (1) In benzene and ethanol, intersystem crossing from the lowest excited singlet ((NNV)-N-1*) to triplet ((NNV)-N-3*) states competes with valence isomerization of (NNV)-N-1* yielding ground-state naphthoylnaphthalene (NN). (2) In ethanol, the NNV ketyl radical (generated by hydrogen-atom abstraction of (NNV)-N-3* from the solvent molecule) also undergoes rapid valence isomerization and recombination of two NN ketyl radicals thus formed yields 1,1,2,2-tetranaphthyl-1,2-ethanediol (naphthopinacol). [References: 17]
机译：通过标题化合物（NNV）的磷光和瞬态吸收光谱以及稳态光解的测量，得出以下结论：（1）在苯和乙醇中，系统间从最低激发单重态（（NNV）-N -1 *）到三重态（（NNV）-N-3 *）状态与（NNV）-N-1 *的化合价竞争，产生基态萘甲萘（NN）。 （2）在乙醇中，NNV酮基（通过从溶剂分子中氢原子提取（NNV）-N-3 *产生氢原子）也经历快速化合价和两个NN酮基的重组，从而形成1,1， 2,2-四萘基-1,2-乙二醇（萘并萘那醇）。 [参考：17]

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