New Reactions of γ-Halocarbanions: Simpl
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Mieczysław Ma̧kosza; Marek Judka
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Article
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2002
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John Wiley and Sons
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English
⚖ 125 KB
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The treatment of 4-chlorobutyronitrile, 3-chloropropyl phenyl sulfone, and other related compounds with a base afforded gamma-halocarbanions that undergo fast intramolecular substitution of the halogen to produce substituted cyclopropanes. We found that these short-lived carbanionic intermediates ca