Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water

Jana S, Berger R, Fröhlich R, Pape T, Mitzel NW (2007)
INORGANIC CHEMISTRY 46(10): 4293-4297.

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Abstract
Oxygenation reactions of dialkylzinc solutions have been investigated. Me2Zn reacts with oxygen in the absence of water to give the bis(heterocubane) [(MeZn)(6)Zn(OMe)(8)], whereas Et2Zn and (Pr2Zn)-Pr-i afford the mono(heterocubanes) [(RZn)(4)(OR)(4)]. In the presence of small amounts of water (added during or after the oxygenation) the product types are reversed for Me2Zn and Et2Zn giving [(MeZn)(4)(OMe)(4)] and [(EtZn)(6)Zn(OEt)(8)], while being retained for (Pr2Zn)-Pr-i (giving [((PrZn)-Pr-i)(4)((OPr)-Pr-i)(4)]). Full characterization of all products by NMR spectroscopy, mass spectrometry, and elemental analyses is provided, and crystal structures of [(EtZn)(6)Zn(OEt)(8)] and [((PrZn)-Pr-i)(4)((OPr)-Pr-i)(4)] are reported. A rationalization of the different reactivities is attempted on the basis of DFT-calculated energies of some key reactants.
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Jana S, Berger R, Fröhlich R, Pape T, Mitzel NW. Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water. INORGANIC CHEMISTRY. 2007;46(10):4293-4297.
Jana, S., Berger, R., Fröhlich, R., Pape, T., & Mitzel, N. W. (2007). Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water. INORGANIC CHEMISTRY, 46(10), 4293-4297.
Jana, S., Berger, R., Fröhlich, R., Pape, T., and Mitzel, N. W. (2007). Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water. INORGANIC CHEMISTRY 46, 4293-4297.
Jana, S., et al., 2007. Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water. INORGANIC CHEMISTRY, 46(10), p 4293-4297.
S. Jana, et al., “Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water”, INORGANIC CHEMISTRY, vol. 46, 2007, pp. 4293-4297.
Jana, S., Berger, R., Fröhlich, R., Pape, T., Mitzel, N.W.: Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water. INORGANIC CHEMISTRY. 46, 4293-4297 (2007).
Jana, Surajit, Berger, Raphael, Fröhlich, Roland, Pape, Tania, and Mitzel, Norbert W. “Oxygenation of simple zinc alkyls: Surprising dependence of product distributions on the alkyl substituents and the presence of water”. INORGANIC CHEMISTRY 46.10 (2007): 4293-4297.
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