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New Reactions of γ-Halocarbanions: Underestimated Reactive Intermediates in Organic Synthesis

✍ Scribed by M. Barbasiewicz; M. Judka; M. Makosza


Publisher
John Wiley and Sons
Year
2005
Weight
8 KB
Volume
36
Category
Article
ISSN
0931-7597

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New Reactions of γ-Halocarbanions: Simpl
✍ Mieczysław Ma̧kosza; Marek Judka 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 125 KB 👁 1 views

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