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A Five-Membered Ring with Three Negative Charges and Solvent-Free Lithium Counterions |
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| Authors: | David Scheschkewitz Matthias Menzel Matthias Hofmann Paul von Ragu Schleyer Gertraud Geiseler Werner Massa Klaus Harms Armin Berndt |
| Abstract: | Remarkably short distances to the ring plane are shown by the η5-bound lithium ions in the first compound with a triply negatively charged five-membered ring, 1 , which was obtained by reduction of 2 with lithium. R=CH(SiMe3)2, Dur=2,3,5,6-tetramethylphenyl. |
| Keywords: | Ab initio calculations Boron Lithium Polyanions |