Reaction of nickelocene with methyllithium in the presence of 2-butyne

S. Pasynkiewicz , Antoni Pietrzykowski , B. Kryza-Niemiec , L. Jerzykiewicz


Reaction of nickelocene with methyllithium in the presence of 2-butyne at the molar ratio of reactants 1:1:1 leads to the formation of several organinickel compounds. Five of these products were isolated and identified. A novel, 49-electron tri(cyclopentadienylnickel) nickel cluster (CpNi)3·(CH3CCCH3) (5) was fully characterized by spectroscopic and X-ray measurements. Alkyne ligand is bonded to three nickel atoms via two σ and one π bonds (2σ+π bond system). Compound 5 crystallizes from hexane in a monoclinic crystal system and P21/n space group. Corresponding unit cell parameters were determined as a=9.015(2) Å; b=14.608(3) Å; c=13.983(3) Å; β=108.47(3)°; V=1746.6(6) Å3; Z=4.
Author S. Pasynkiewicz
S. Pasynkiewicz,,
, Antoni Pietrzykowski (FC / DCOC)
Antoni Pietrzykowski,,
- Department Of Catalysis And Organometallic Chemistry
, B. Kryza-Niemiec
B. Kryza-Niemiec,,
, L. Jerzykiewicz
L. Jerzykiewicz,,
Journal seriesJournal of Organometallic Chemistry, ISSN 0022-328X
Issue year2000
Keywords in EnglishCrystal structure, Cyclopentadienyl, Lithium, Nickel, Nickel clusters
Score (nominal)30
Publication indicators WoS Impact Factor: 2006 = 2.332 (2) - 2007=2.097 (5)
Citation count*16 (2015-10-27)
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