Singlet oxygenation of cycloheptatriene:
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Waldemar Adam; Hector Rebollo
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Article
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1981
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Elsevier Science
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French
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Tetraphenylporphyrin-sensitized photooxygenation of cycloheptatriene afforded the 1,2-dioxetane (3 ) in 9% yield, %% thus completing the set of possible cycloa dition products; the 1,2-dioxetane (&$ 1s the precursor to the benzaldehyde product, but not the (2+6)-cycloadduct (&).