Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe

Jutzi P, Schnittger J, Wieland W, Neumann B, Stammler H-G (1991)
Journal of Organometallic Chemistry 415(3): 425-434.

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TETRA-TERT-BUTYL-DIHYDROPENTAFULVALENE AS AN EDUCT FOR PARAMAGNETIC AND DIAMAGNETIC NICKEL-COMPLEXES
Abstract
Reaction of 1,1',3,3'-tetra-tert-butyl-5,5'-dihydropentafulvalene (1) with methyllithium and subsequent treatment with an excess of tetracarbonylnickel leads to the isomeric, paramagnetic complexes (eta-5: eta-5-(t)Bu4C10H4)(eta-2: eta-2-(t)Bu4C10H6(CO)2Ni2 (2a) and (eta-5: eta-2-(t)Bu4C10H5)2(CO)2Ni2 (2b). Treatment of 2a with Br2/P[C6H5]3, and with I2/P[C6H5]3, respectively, affords by elimination of 1 the compounds (eta-5: eta-5-(t)Bu4C10H4)(P[C6H5]3)2Ni2X2, with X = Br (3) and with X = I (4), respectively. By treatment of 2b with bromine the paramagnetic Ni(III)-species (eta-5-(t)Bu2C5H2)((t)Bu2C5H3)NiBr2 (5) is obtained. The solid state structure of 5 is discussed.
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Jutzi P, Schnittger J, Wieland W, Neumann B, Stammler H-G. Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe. Journal of Organometallic Chemistry. 1991;415(3):425-434.
Jutzi, P., Schnittger, J., Wieland, W., Neumann, B., & Stammler, H. - G. (1991). Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe. Journal of Organometallic Chemistry, 415(3), 425-434.
Jutzi, P., Schnittger, J., Wieland, W., Neumann, B., and Stammler, H. - G. (1991). Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe. Journal of Organometallic Chemistry 415, 425-434.
Jutzi, P., et al., 1991. Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe. Journal of Organometallic Chemistry, 415(3), p 425-434.
P. Jutzi, et al., “Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe”, Journal of Organometallic Chemistry, vol. 415, 1991, pp. 425-434.
Jutzi, P., Schnittger, J., Wieland, W., Neumann, B., Stammler, H.-G.: Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe. Journal of Organometallic Chemistry. 415, 425-434 (1991).
Jutzi, Peter, Schnittger, Jörg, Wieland, Wolfram, Neumann, Beate, and Stammler, Hans-Georg. “Tetra-tert-butyl-dihydropentafulvalen als Edukt für para- und diamagnetische Nickelkomplexe”. Journal of Organometallic Chemistry 415.3 (1991): 425-434.
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