Modern Molecular PhotochemistryBenjamin/Cummings Publishing Company, 1978 - 628 páginas Inleiding tot de studie van organische fotochemische reacties |
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Página 364
... Hydrogen Abstraction from n , π * and л , π * States Insight into the nature of photochemical hydrogen abstraction reactions can be obtained by considering the hydrogen abstraction reactions of alkoxy radicals and carbon radicals . The ...
... Hydrogen Abstraction from n , π * and л , π * States Insight into the nature of photochemical hydrogen abstraction reactions can be obtained by considering the hydrogen abstraction reactions of alkoxy radicals and carbon radicals . The ...
Página 365
... abstraction of a hydrogen atom by a n , π * state of a carbonyl compound : 6,7 Ċ — Ó + X — H n , π * -OH + X ( 10.9 ) ... hydrogen donor pair is given by k ,, the rate constant for the primary photochemical process of hydrogen abstraction ...
... abstraction of a hydrogen atom by a n , π * state of a carbonyl compound : 6,7 Ċ — Ó + X — H n , π * -OH + X ( 10.9 ) ... hydrogen donor pair is given by k ,, the rate constant for the primary photochemical process of hydrogen abstraction ...
Página 385
Nicholas J. Turro. We anticipate that both the electron transfer and hydrogen abstraction processes will be favored by decreasing ionization potential of the hydrogen or electron donor.33 However , only the hydrogen abstraction process ...
Nicholas J. Turro. We anticipate that both the electron transfer and hydrogen abstraction processes will be favored by decreasing ionization potential of the hydrogen or electron donor.33 However , only the hydrogen abstraction process ...
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1 | 10 |
Electronic Orbitals Configurations and States | 17 |
7 | 21 |
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absorption acceptor acetone aromatic benzene benzophenone bimolecular bond carbonyl Chem chemical CIDNP collision compounds configuration conrotatory correlation diagram corresponds cyclic cycloaddition Dewar benzene dipole diradical donor efficiency electrocyclic electrocyclic reactions electron spin electronically excited emission energy transfer ethylene example excimer exciplex experimental Figure fluid solution fluorescence formation Franck-Condon hydrogen abstraction intermediate internal conversion intersystem crossing intramolecular jump k₁ kcal/mole ketones lifetime magnetic field mechanism molecular molecule naphthalene nuclear geometry nuclear motion observed occur organic molecules oscillator oxetane oxygen pathway Ph Ph phosphorescence photochemical photochemistry photocycloaddition photon Photophysics photoreactions photosensitized Phys possess processes quantum yield quencher quenching radiationless transitions radiative radical pair rate constant reactant reaction reactive rearrangement representative point result ring S₁ S₁(n S₂ sec¯¹ sec¹ sensitization singlet solvent spectroscopic spectrum spin-orbit coupling structure symmetry T₁ temperature triplet triplet-triplet Turro undergo vibrational x-cleavage Zero Order zwitterionic