Teaching old tricks to new dogs - rational synthesis of multi-decker complexes featuring cyclo-P5 decks
Christoph Riesinger1, David Röhner2, Ingo Krossing2
1Institute of Inorganic Chemistry University of Regensburg Universitätsstr. 31, 93053 Regensburg, Germany. manfred.scheer@chemie.uni-regensburg.de.
Abstract:
A rational synthetic pathway towards a series of cyclo-P5-bearing multi-decker complexes was developed. The combination of [Cp*Fe(μ,η5 : 5-P5)] (A) with low-valent transition metal cations yields a series of triple-decker complexes [Cp*Fe(μ,η5 : 5-P5)MCp'''][WCA] (M = Cr - Ni; WCA = weakly coordinating anion, Cp''' = 1,2,4-Bu3C5H2). Utilizing the arene complexes [M(C6R6)2][WCA] (M = Fe, Co) instead allowed the synthesis of the unprecedented cyclo-P5-containing quadruple-decker complexes [{Cp*Fe(μ,η5 : 5-P5)}2M][pf] (M = Fe, Co).
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