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Intramolecular Polar [4⊕+2] Cycloadditions of Aryl‐1‐aza‐2‐azoniaallene Salts: Unprecedented Reactivity Leading to Polycyclic Protonated Azomethine Imines |
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| Authors: | Dr. Daniel A. Bercovici Dr. Nikolay Tsvetkov Prof. Matthias Brewer |
| Affiliation: | Department of Chemistry, University of Vermont, 82 University Place, Burlington, VT 05405 (USA) |
| Abstract: | |
| Keywords: | cumulenes cycloaddition heterocycles Lewis acids synthetic methods |