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Understanding and controlling the aggregation state is germane to alkyllithium chemistry. Lewis base‐free alkyllithium compounds normally form tetrahedral tetramers or octahedral hexamers in the solid state with the lithium cations being three‐coordinate. We report that the unsupported cyclopropyl derivative 1‐(trimethylsilyl)cyclopropyllithium [{μ‐c‐C(SiMe3)C2H4}Li]4 (1), synthesized by the reduction...
Metallorganische Chemie In ihrer Zuschrift auf S. 1804 ff. berichten M. Etienne et al. über ein Cyclopropyllithiumderivat, das im Festkörper ein Tetramer bildet. Die Struktur hat Ähnlichkeit mit dem Tolsanerkreuz.
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