Title: Intramolecular Wittig reaction of α,α′-dioxocycloalkylidenetributylphosphoranes: formation and trapping of cycloalkyn-2-ones with five- and six-membered rings
Abstract: Reaction of the title phosphoranes with homophthalic anhydride or 1,3-diphenylisobenzofuran in the presence of Me3SiCl gave the corresponding Diels–Alder adducts, indicating the transient intermediacy of cycloalkyn-2-ones with five- and six-membered rings.
Publication Year: 1988
Publication Date: 1988-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 8
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