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Photochemical Electrocyclic Reactions: Stereochemistry01:26

Photochemical Electrocyclic Reactions: Stereochemistry

The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
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CdS nanoparticles/beta-cyclodextrin-functionalized electrodes for enhanced photoelectrochemistry

Huseyin Bekir Yildiz1, Ran Tel-Vered, Itamar Willner

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Angewandte Chemie (International Ed. in English)
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No abstract available in PubMed .

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