Concepedia

Crystal Structures of [PhLi·(−)-sparteine]<sub>2</sub>, [PhOLi·(−)-sparteine]<sub>2</sub>, and the Mixed Aggregate [PhLi·PhOLi·2(−)-sparteine]

Carsten Strohmann, S. Dilsky, Katja Strohfeldt

Organometallics · 2005 · 47 citations · 14 references

DOI

Concepts

Abstract

Crystal structure determination of adducts of (−)-sparteine and PhLi, (−)-sparteine and PhOLi and of (−)-sparteine and PhLi/PhOLi reveal a four-membered ring with two lithium centers, each capped by a (−)-sparteine ligand, as central motif of all structure. Quantum-chemical calculations show that the mixed aggregate [PhLi·PhOLi·2(−)-sparteine] is energetically more favorable than the model system {1/2[PhLi·(−)-sparteine]2 + 1/2[PhOLi·(−)-sparteine]2}.

References

14

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Isolation and crystal structures of the halide-free and halide-rich phenyllithium etherate complexes [(PhLi.Et2O)4] and [(PhLi.Et2O)3.LiBr]

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Hetero‐Aggregate Compounds of Aryl and Alkyl Lithium Reagents: A Structurally Intriguing Aspect of Organolithium Chemistry

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The Crystal Structures of the Chiral Alkyllithium Bases [<i>n</i>-BuLi·(−)-Sparteine]<sub>2</sub> and [Et<sub>2</sub>O·(<i>i</i>-PrLi)<sub>2</sub>·(−)-Sparteine]

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Structures of alkali and alkaline earth metal clusters with oxygen donor ligands

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