1996
DOI: 10.1021/om960375m
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Abstract: (Pentabenzylcyclopentadienyl)lithium (Li(η5-C5Bz5)) has been prepared by lithiation of pentabenzylcyclopentadiene with tert-butyllithium in toluene or benzene. This compound, which is the nonisolated starting material for most of the known pentabenzylcyclopentadienides, has been characterized by NMR and mass spectroscopy. The molecular structure of the benzene adduct of dimeric Li(η5-C5Bz5) has been determined by X-ray diffraction studies. A triple-decker-like structure, (η5-C5Bz5)Li(η5-C5Bz5)Li(η2-C6H6), resu… Show more

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Cited by 57 publications
(32 citation statements)
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“…Numerous studies have dealt with alkali-metal containing metallocenes due to their utility as starting reagents in organometallic syntheses. 6 -10 These metallocenes also possess a wide range of structural motifs, including solvated 11 -14 and unsolvated 15 -17 polymeric chains, solvated oligomers 18,19 and monomers, 20,21 and may also be constituents in mixedmetal metallocenes 22 -24 and anionic sandwich complexes. 25,26 Although a consensus was reached early on regarding the ionic nature of alkali-metal metallocenes (i.e.…”
Section: Introductionmentioning
confidence: 99%
“…Numerous studies have dealt with alkali-metal containing metallocenes due to their utility as starting reagents in organometallic syntheses. 6 -10 These metallocenes also possess a wide range of structural motifs, including solvated 11 -14 and unsolvated 15 -17 polymeric chains, solvated oligomers 18,19 and monomers, 20,21 and may also be constituents in mixedmetal metallocenes 22 -24 and anionic sandwich complexes. 25,26 Although a consensus was reached early on regarding the ionic nature of alkali-metal metallocenes (i.e.…”
Section: Introductionmentioning
confidence: 99%
“…A triple-decker complex with a bridging cyclopentadienyl ligand also exists for lithium. The benzene adduct of dimeric Li(g 5 -C 5 Bz 5 ) (Bz = benzyl) has a triple-decker-like structure, trans-[(C 5 Bz 5 )Li](l-g 5 :g 5 -C 5 Bz 5 )[Li(g 2 -C 6 H 6 )] (18) [74].…”
Section: Triple-decker Complexes With Bridging C 5 Carbocyclic Ringsmentioning
confidence: 99%
“…Diese w¸rde der Struktur des CpLi [38] bzw. [Cp 2 Li] À [26] und [Cp B 2 ] À [39] (Cp B ¼ (C 6 H 5 CH 2 ) 5 C 5 ) entsprechen. Im Fluorenyllithium-bis(chinuclidin) ist das Lithiumatom an C1, C2 und C9 h 3 -gebunden.…”
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