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Cycloadditions of Noncomplementary Substituted 1,2,3-Triazines

✍ Scribed by Anderson, Erin D.; Duerfeldt, Adam S.; Zhu, Kaicheng; Glinkerman, Christopher M.; Boger, Dale L.

Book ID
126521498
Publisher
American Chemical Society
Year
2014
Tongue
English
Weight
729 KB
Volume
16
Category
Article
ISSN
1523-7060

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Cycloadditions of Aryl-Substituted 1,2,4
Cycloadditions of Aryl-Substituted 1,2,4-Triazines with 2-Cyclopropylidene-1,3-dimethylimidazolidine – Zwitterions as Discrete Intermediates
✍ 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