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Unusual Reactivity of a Cr2P2 Tetrahedral Complex toward Superhydride; Formation of [{CpCr(CO)2}2(μ-PH2)x(μ-H)2-x] (x = 1 and 2) and [{CpCr(CO)2}2(μ-PH){(CpCr)2(μ,η1:η1:η5:η5-P5)}]

DOI to cite this document:
Sekar, Perumal ; Scheer, Manfred ; Voigt, Andreas ; Krimse, Reinhard
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Date of publication of this fulltext: 21 Jun 2010 12:40


Reaction of [{CpCr(CO)2}2(μ,η2-P2)] (1) with LiBEt3H in THF at −78 °C affords the new phosphanido complexes [{CpCr(CO)2}2(μ-PH2)(μ-H)] (2), [{CpCr(CO)2}2(μ-PH2)2] (3), and [{CpCr(CO)2}2(μ-PH){(CpCr)2(μ,η1:η1:η5:η5-P5)}] (4), which have been characterized by single-crystal X-ray diffraction methods. The structure of 4 reveals a triple-decker sandwich complex with a distorted cyclo-P5 middle deck. ...


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