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Issue 40, 2016
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Samarocene oxide: from an undesired decomposition product to a new reagent

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Abstract

Samarocene oxide [Cp*2Sm-O-SmCp*2] is mostly considered as an undesired decomposition product of the well-established but highly air-sensitive samarocene, [Cp*2Sm(thf)2]. [Cp*2Sm-O-SmCp*2] is often formed by accidental exposure of [Cp*2Sm(thf)2] to air or wet solvents. We show here that [Cp*2Sm-O-SmCp*2] acts as a mild oxide base and thus is a valuable synthetic equivalent for “O2−”. The reaction of [Cp*2Sm-O-SmCp*2] with the inorganic and organic anhydrides COS, CS2, SO2, SO3, Re2O7, and (PhC(O))2O at room temperature resulted in each case in an O2− insertion. The corresponding products were isolated as their samarium complexes.

Graphical abstract: Samarocene oxide: from an undesired decomposition product to a new reagent

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Publication details

The article was received on 21 Mar 2016, accepted on 13 Apr 2016 and first published on 29 Apr 2016


Article type: Communication
DOI: 10.1039/C6CC02450E
Citation: Chem. Commun., 2016,52, 6654-6657
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    Samarocene oxide: from an undesired decomposition product to a new reagent

    C. Schoo, S. V. Klementyeva, M. T. Gamer, S. N. Konchenko and P. W. Roesky, Chem. Commun., 2016, 52, 6654
    DOI: 10.1039/C6CC02450E

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