Organosilicon-directed substitution reaction on bicyclic -dihalocyclopropanes. A facile formation of bicyclo[4.1.0]heptan-7-one dialkyl acetals

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Abstract Treatment of 1-trimethylsilyl-7,7-dihalobicyclo[4.1.0]heptanes with silver tri-fluoroacetate in an alcoholic solvent such as methanol or ethanol at 0–60 °C gives moderate to good yields of 1-trimethylsilylbicyclo[4.1.0]heptan-7-one dialkyl acetal compounds, which result from the substitution of halogens on the cyclopropane ring.

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