25 research outputs found

    Synthesis of Internal gem-Diborylalkanes by Copper-Catalyzed Double Hydroboration of Conjugated Internal Alkynes

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    The published manuscript is available at EurekaSelect via http://www.eurekaselect.com/openurl/content.php?genre=article&doi=10.2174/1570178614666170321114445autho

    Palladium-Catalyzed α‑Ketocyclopropanation of Norbornenes with Propargyl Acetates

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    Propargyl acetates reacted with norbornene in the presence of a catalytic amount of tetrakis­(tripheylphosphine)palladium to give cyclopropyl ketones. The reaction proceeded with high stereoselectivity, affording a single stereoisomer. The reaction of various substituted norbornenes gave the corresponding cyclopropanes in moderate to good yields

    Stereoselective cis

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