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The insertion reaction between tetracarbonyldichlorodirhodium and phenylcyclopropane, benzylcyclopropane, and bicyclo[4,1,0]heptane has been examined, and the structures of the rhodacyclopentanones deduced by sodium borohydride reduction. Evidence is found for some cyclopropane → olefin isomerisation during the insertion reaction.
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McQuillin et al. (1972) studied this question.
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