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Metallocene sulfide chemistry of niobium and tantalum: new insights into the formation of niobium-polysulfido complexes and synthesis, structure, and reactivity of Cp2'Ta(.eta.2-S2)H (Cp' = tert-BuC5H4)

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Bach, H. J. ; Brunner, Henri ; Wachter, Joachim ; Kubicki, Marek M. ; Leblanc, J. C. ; Moise, C. ; Volpato, F. ; Nuber, B. ; Ziegler, M. L.
Date of publication of this fulltext: 04 Jan 2012 15:19


The previously described reaction of Cp'2NbH3 (Cp' = t-BuC5H4) with S8 was investigated with regard to the kinetic stabilization of as yet elusive intermediates during the formation of the polysulfide complex Cp'4Nb2S9 (1). Therefore, the permethylated complex Cp*2NbS3H (2; Cp* = C5Me5) and the Ta complex Cp'2TaS2H (3) were synthesized in a related reaction and structurally investigated. Despite ...


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