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- W2030223709 abstract "The monomer complex (C6H5)Cr[CH2P(CH3)3][(CH2)2P(CH3)2]2 (V) was isolated in low yield as an intermediate in the reaction of tetramethylphosphonium chloride and tris(lithium)hexa(phenyl)chromate(III) to tris[dimethylphosphonium bis(methylide)]chromium(III). The dimethylphosphonium bis(methylide) moiety acts as a chelating ligand. The reaction of phenylacetylene with tris[dimethylphosphonium bis[methylide)]chromium(III) yields the onium-stabilized complex tris(phenylethynyl)tris-(trimethylphosphonium methylide)chromium(III), (C6H5C2)3Cr[CH2P(CH3)3]3 (VI). The compounds are extremely sensitive to air and moisture. All are thermally stable and decompose slowly above about 80°C. Als Zwischenprodukt der Umsetzung von Lithiumhexaphenylchromat(III) und Tetramethylphosphoniumchlorid, die zum Tris(dimethylphosphoniumbismethylid)chromat(III) führt, ist der Komplex (C6H5)Cr[CH2P(CH3)3][(CH2)2P(CH3)2]2 (V) in geringer Ausbeute isoliert worden. In dieser Verbindung ist die Dimethyl phosphoniumbismethylid-Gruppe als Chelatligand koordiniert. Die Umsetzung von Tris(dimethylphosphoniumbismethylid)chromat(III) mit Phenylacetylen führt zum onium-stabilisierten Tris(phenylacetylid)tris(trimethylphosphoniummethylid)chromat(III), (C6H5C2)3Cr[CH2P(CH3)3]3 (VI). Die gegen Luft und Feuchtigkeit empfindlichen Verbindungen sind thermisch relativ stabil und zersetzen sich langsam erst oberhald 80°C." @default.
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- W2030223709 date "1978-10-01" @default.
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- W2030223709 title "Phosphorylid-komplexe von σ-phenyl- und σ-phenylacetylid-chrom-verbindungen" @default.
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- W2030223709 doi "https://doi.org/10.1016/s0022-328x(00)91195-1" @default.
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