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Showing 1 to 1 of 1 for “"excited state photochemistry"”.
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The mechanism of an unusual benzo/benzo photocycloaddition reaction : photophysical and photochemical investigation of [3.3] orthocyclophanes with two face-to-face preoriented benzenoid chromophores
… depends on the equilibrium geometry of the EX state and can be reliably judged by the 0-0 transition energy as a measure for the EX stabilization: for the investigated [3.3] OCs 12 kcal/mol were found to be necessary. The mechanism of the photocycloreversion was found to be less complex and to …