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Showing 1 to 2 of 2 for “"Woodward-Hoffmann Rules"”.
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The photochemical and mechanochemical ring opening of cyclobutene from first principles
… reaction can typically be predicted using the Woodward-Hoffmann rules, which are based on conservation of orbital symmetry. According to these rules, the thermal ring opening reaction will proceed in conrotatory fashion, while the photochemical ring opening reaction will proceed in disrotatory …
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The synthesis, characterisation and photochemistry of novel organometallic complexes
… these fulgide chromium complexes shows that the Woodward-Hoffmann rules may have been broken by this metal-mediated ring closure. Efforts were being made to prove that this ring-closure reaction proceeded via a thermally forbidden conrotatory mechanism. Preliminary studies on the use of these …