Polyphosphorus compounds derived from P4 conversion with sterically demanding cobalt complexes

Fabian Dielmann, Mehdi Elsayed-Mousa, Christoph Riesinger, Manfred Scheer
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Abstract

The conversion of P4 with [CpBnCo(CO)2] (CpBn = C5(CH2C6H5)5) under thermal conditions gives almost exclusively the P10 complex [(CpBnCo)4(μ4‐η4:η4:η2:η2:η1:η1‐P10)]. However, its reaction with [CpBnCo]n, under mild conditions afforded a mixture of products including the P8 species [(CpBnCo)3(μ3‐η4:η2:η2:η1:η1‐P8)] and a rare Co3 cluster [(CpBnCo)2Co(μ3‐η5:η2:η1:η1‐C40H33)(μ‐H)(μ3‐H)]. The products were studied in solution by multinuclear NMR spectroscopy and mass spectrometry and, for some compounds in the solid state, by single crystal X‐ray diffraction.
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由 P4 与立体要求极高的钴络合物转化而来的多磷化合物
在热条件下,P4 与 [CpBnCo(CO)2](CpBn = C5(CH2C6H5)5)的转化几乎只得到 P10 复合物[(CpBnCo)4(μ4-η4:η4:η2:η2:η1:η1-P10)]。然而,在温和的条件下,它与[CpBnCo]n 的反应产生了一种混合产物,其中包括 P8 物种[(CpBnCo)3(μ3-η4:η2:η2:η1:η1-P8)]和一种罕见的 Co3 团簇[(CpBnCo)2Co(μ3-η5:η2:η1:η1-C40H33)(μ-H)(μ3-H)]。通过多核核磁共振谱和质谱对溶液中的产物进行了研究,并通过单晶 X 射线衍射对固态中的某些化合物进行了研究。
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