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New Reactions of γ-Halocarbanions: Simple Synthesis of Substituted Tetrahydrofurans.

✍ Scribed by Mieczyslaw Makosza; Marek Judka

Publisher
John Wiley and Sons
Year
2003
Weight
172 KB
Volume
34
Category
Article
ISSN
0931-7597

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📜 SIMILAR VOLUMES

New Reactions of γ-Halocarbanions: Simpl
New Reactions of γ-Halocarbanions: Simple Synthesis of Substituted Tetrahydrofurans
✍ 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

New Synthesis of Pyrrolidines via Reacti
New Synthesis of Pyrrolidines via Reaction of γ-Halocarbanions with Imines
✍ Mieczysław Mąkosza; Marek Judka 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 German ⚖ 170 KB

## Abstract __γ__‐Chlorocarbanions of proper nucleophilicity, generated from 3‐chloropropyl pentachlorophenyl sulfone (=pentachloro[(3‐chloropropyl)sulfonyl]benzene; **1**; Ar=C~6~Cl~5~), add to electron‐deficient formal imines **3a**–**l** to produce anionic adducts that enter intramolecular subst