Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung

Jutzi P, Schnittger J, Neumann B, Stammler H-G (1991)
Journal of Organometallic Chemistry 410(1): C13-C19.

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Journal Article | Published | German
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TETRA-TERT-BUTYLPENTAFULVALENE AS LIGAND IN DINUCLEAR MOLYBDENUM COMPLEXES - CIS-ARRANGEMENT WITHOUT A METAL METAL BOND
Abstract
Reaction of 1,1',3,3'-tetra-tert-butyl-5-5'-pentafulvalenedipotassium (1) with hexacarbonylmolybdenum leads to hexacarbonyl-dipotassium(1,1',3,3'-tetra-tert-butyl-5,5'-pemtafulvalene)dimolybdate (2), which on further treatment with stoichiometric amounts of iodomethane yields the hexacarbonyldimethyl(1,1'-3,3'-tetra-tert-butyl-5,5'-pentafulvalene)dimolybdenum, ([eta]5 : [eta]5-tBu4C10H4)Mo2(CO)6-(CH)3)2 (3). Compound 3 is obtained as yellow needles and brownish cube-like crystals, and it is characterized by 1H-NMR, 13C-NMR, IR, and MS data. The cubes crystallize in the space group C2/c with four molecules in the unit cell. Each molecule consists of two tricarbonylmethyl(cyclopentadienyl) molybdenum units which are connected by a central C-C-bond, twisted against each other by 64.8° and bent by 25.8°. Due to the steric requirements of the tert-butyl substituents in the fulvalene ligand, 3 should be formed only from cis-configurated 2.
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Jutzi P, Schnittger J, Neumann B, Stammler H-G. Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung. Journal of Organometallic Chemistry. 1991;410(1):C13-C19.
Jutzi, P., Schnittger, J., Neumann, B., & Stammler, H. - G. (1991). Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung. Journal of Organometallic Chemistry, 410(1), C13-C19.
Jutzi, P., Schnittger, J., Neumann, B., and Stammler, H. - G. (1991). Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung. Journal of Organometallic Chemistry 410, C13-C19.
Jutzi, P., et al., 1991. Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung. Journal of Organometallic Chemistry, 410(1), p C13-C19.
P. Jutzi, et al., “Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung”, Journal of Organometallic Chemistry, vol. 410, 1991, pp. C13-C19.
Jutzi, P., Schnittger, J., Neumann, B., Stammler, H.-G.: Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung. Journal of Organometallic Chemistry. 410, C13-C19 (1991).
Jutzi, Peter, Schnittger, Jörg, Neumann, Beate, and Stammler, Hans-Georg. “Tetra-tert-butyl-pentafulvalen als Ligand in zweikernigen Molybdänkomplexen: cis-Anordnung ohne Metall-Metall-Bindung”. Journal of Organometallic Chemistry 410.1 (1991): C13-C19.
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