Divergence in photoinduced electron transfer (PET) reactions: a useful strategy towards identifying route-selectivity in mixed ketones |
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Authors: | Ananya SenguptaIndrajit Chakraborty Asitanga GhoshSaswati Lahiri |
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Institution: | Department of Organic Chemistry, Indian Association for the Cultivation of Science, Kolkata-700032, India |
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Abstract: | The work utilized photoinduced electron transfer (PET) reactions to identify the preferred photoreaction route in molecules having juxtaposed α,β and β,γ-enones. Such process directly converted 2-hydroxyimino derivatives of 5-benzoylbicyclo2.2.2]octenones to the corresponding bicyclo3.2.1]octane derivatives. First evidence of Type B rearrangement in α,β-enones having acyl substitution at Cγ-position has been depicted in this work. In rigid mixed enones, this has been found to be generally the preferred photoreaction route. |
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Keywords: | Photoinduced electron transfer (PET) δ-Keto-α β-enone Type B rearrangement Oxime photoreaction |
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