Abstract
The title compound, [Co(C5H5)(C18H15P)2]·0.2C7H8·0.25C6H14, was synthesized by the reaction of cobaltocene, Cp2Co, with elemental lithium in tetrahydrofuran in the presence of two equivalents of PPh3. The molecular structure displays a cobalt(I) center in a distorted trigonal-planar coordination environment, with one Cp and two phosphane ligands. There are two crystallographically independent molecules in the asymmetric unit besides the disordered solvent molecules.
Highlights
The title compound, [Co(C5H5)(C18H15P)2]Á0.2C7H8Á0.25C6H14, was synthesized by the reaction of cobaltocene, Cp2Co, with elemental lithium in tetrahydrofuran in the presence of two equivalents of PPh3
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: IM2092)
The synthesis of chiral cyclopentadienyl (Cp*) cobalt complexes, which were used as catalysts in atroposelective [2 + 2+2] cycloaddition reactions, frequently includes triphenylphosphane-stabilized Cp*Cointermediates (Gutnov et al, 2003, 2004)
Summary
(g5-Cyclopentadienyl)bis(triphenylphosphane)cobalt(I)–toluene–n-hexane (1/0.20/0.25) Key indicators: single-crystal X-ray study; T = 200 K; mean (C–C) = 0.004 A; disorder in solvent or counterion; R factor = 0.032; wR factor = 0.080; data-toparameter ratio = 15.8. Mr = 688.53 Triclinic, P1 a = 10.5496 (3) Ab = 18.2220 (5) Ac = 19.0367 (5) A = 86.543 (2)
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