Journal Articles Organic Letters Year : 2020

Access to Fluorenones Using Benzocyclopentynone Surrogate as Partner for the [2 + 2 + 2] Cycloaddition Reaction

Abstract

A convenient and versatile procedure for the straightforward synthesis of substituted fluorenones as valuable scaffolds is described under rhodium catalysis. The present [2 + 2 + 2] cycloaddition reaction of diynes with 3-acetoxy or-3-alkoxyindenones as surrogates of the highly reactive benzocyclopentynone 2π partner allows the preparation of various fluorenone-type derivatives in good yields and provides an additional and tunable process for the generation of more challenging molecules with application in pharmaceutical, polymer, and material sciences.
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Is described by hal-02873541 Image Anne-Doriane Manick, Bruno Salgues, Jean-Luc Parrain, Elena Zaborova, Frédéric Fages, et al.. Access to Fluorenones Using Benzocyclopentynone Surrogate as Partner for the [2 + 2 + 2] Cycloaddition Reaction. Illustration. France. 2020. ⟨hal-02873541⟩

Dates and versions

hal-02873529 , version 1 (30-09-2020)

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Anne-Doriane Manick, Bruno Salgues, Jean-Luc Parrain, Elena Zaborova, Frédéric Fages, et al.. Access to Fluorenones Using Benzocyclopentynone Surrogate as Partner for the [2 + 2 + 2] Cycloaddition Reaction. Organic Letters, 2020, 22 (5), pp.1894-1898. ⟨10.1021/acs.orglett.0c00235⟩. ⟨hal-02873529⟩
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