Zwitterionic ring-borylated ansa-chromocene complexes |
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| Authors: | Sinnema Piet-Jan Shapiro Pamela J Foo David Min Jin Twamley Brendan |
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| Institution: | Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343. |
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| Abstract: | Ring borylation of Me4C2(eta5-C5H4)2CrCO] by B(C6F5)3 affords the zwitterionic complex {Me4(eta5-C5H4)(eta5-C4H3B(C6F5)3)}CrH(CO) (1), the first structurally characterized bent-metallocene complex of Cr(4+). This species decomposes thermally to the zwitterionic species {Me4(eta5-C5H4)(eta5-C4H3B(C6F5)3)}Cr (2) and the ionic species Me4C2(eta5-C5H4)2CrCO]HB(C6F5)3] (3). The molecular structure of 2 is also described. |
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