Retro-Diels—Alder reaction induced by π,π* excitation and by electron impact
作者： H Nozaki , H Kato , R Noyori
DOI: 10.1016/S0040-4020(01)82739-3
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摘要: Abstract The title photoreaction is observed upon irradiation of styrene- and indene-anthracene adducts giving anthracene photodimers, while other Diels—Alder are photostable. dissociation rationalized by assuming a stepwise mechanism involving diradical intermediate. This behaviour shows that close correlation exists between cation radicals produced on electron impact π,π* excited species.
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