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Issue 0, 1969
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Chemistry of the metal carbonyls. Part LVI. Reactions of bis(pentafluorophenyl)phosphine and tetrakis(pentafluorophenyl)diphosphine with Group VI metal hexacarbonyls

Abstract

Reactions between bis(pentafluorophenyl)phosphine and Group VI metal carbonyls have been investigated and the mono-, di- and tri-substituted complexes [(C6F5)2PH]M(CO)5(M = Cr, Mo, W), [(C6F5)2PH]2M(CO)4(M = Cr, Mo), and [(C6F5)2PH]3Mo(CO)3 characterised. Treatment of the monosubstituted chromium and molybdenum complexes with n-butyl-lithium affords (C6F5)2P(Li)M(CO)5(M = Cr, Mo). Reaction of tetrakis(pentafluorophenyl)diphosphine with Cr(CO)6 and Mo(CO)6 gave polymeric complexes [(C6F5)4P2M(CO)4]n(M = Cr, Mo), and small yields of the monosubstituted complexes [(C6F5)2PH]Mo(CO)5. The anions [M(CO)5]2–(M = Cr, Mo) react with (C6F5)2PCl to give the monosubstituted diphosphine complexes (C6F5)4P2M(CO)5. The chromium complex was also prepared from (C6F5)2P(Li)Cr(CO)5 and (C6F5)2PCl.

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Article information


J. Chem. Soc. A, 1969, 1875-1878
Article type
Paper

Chemistry of the metal carbonyls. Part LVI. Reactions of bis(pentafluorophenyl)phosphine and tetrakis(pentafluorophenyl)diphosphine with Group VI metal hexacarbonyls

M. Green, A. Taunton-Rigby and F. G. A. Stone, J. Chem. Soc. A, 1969, 1875
DOI: 10.1039/J19690001875

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