Intramolecular Reactivity of Triplet Car
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Johannes Fien; Wolfgang Kirmse
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Article
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1998
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John Wiley and Sons
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English
β 114 KB
Through a double cyclization triplet carbonylcarbenes add smoothly to double bonds in the Ξ΄ and Ξ΅ position, but do not react intramolecularly with C-H bonds (see scheme). The addition reaction fails if the keto group is replaced with an ester group.