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Fluorination of Carbinols with 2,2-Difluoro-1,3-dimethylimidazolidine in Ionic Liquid.

✍ Scribed by Tomoya Kitazume; Takuma Ebata


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

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Cycloadditions of Aryl-Substituted 1,2,4
✍ Michael Ernd; Manfred Heuschmann; Hendrik Zipse 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 German ⚖ 396 KB

## Abstract Cycloadditions of 2‐cyclopropylidene‐1,3‐dimethylimidazolidine (**1**), a strong, electron‐rich C‐nucleophile, with a variety of aryl‐substituted 1,2,4‐triazines occur at temperatures between −100 and +100°, depending on the substitution pattern. At low temperatures, zwitterions, formed