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- W2315144586 abstract "Reactions between Cu{C5(CO2Me)5}2 and excess PPh3, or between PPh3 and a methanolic solution of Cu2O in HC5(CO2Me)5('Cu{C5(CO2Me)5}'), have given Cu{C5(CO2Me)5}(PPh3)2; the P(C6H4Me-p)3 complex was also obtained, while addition of Ph2P(CH2)2PPh2 (dppe) to 'Cu{C5(CO2Me)5}' gave the salt [Cu(dppe)2] [C5(CO2Me)5]. Cu{C5(CO2Me)5}(AsPh3)2 was obtained similarly from AsPh3 and 'Cu{C5(CO2Me)5}' or from [CuI(CNMe)(AsPh3)]2 and Tl{C5(CO2Me)5}. The X-ray structures of Cu{C5(CO2Me)5}(EPh3)2 (E = P, As) show the complexes to have copper approximately tetrahedrally coordinated by the two EPh3 ligands and two carbonyl oxygens from adjacent CO2Me groups on the C5 ligand. The X-ray structure of [{Cu(AsPh3)3}2(μ-O2CR)] [C5(CO2Me)5] is also reported: an acetate or formate ligand bridges two Cu(AsPh3)3 units in the cation; the anion is a disordered C5(CO2Me)5- anion. Cu{C5(CO2Me)5}(PPh3)2 is monoclinic, space group P21/c, with a 9.151(5), b 19.28(1), c 27.78(2) Ǻ, β 95.21(5)°, Z 4; 2710 independent observed data were refined to R 0.072, R′0.084. Cu{C5(CO2Me)5}(AsPh3)2 is isomorphous, with a 9.105(4), b 19.198(11), c 27.85(2) Ǻ, β 92.86(4)°, Z 4; 4684 independent observed data were refined to R 0.045, R′ 0.035. [{Cu(AsPh3)3}2(μ-O2CMe)] [C5(CO2Me)5] is monoclinic, space group P2/n, with a 23.214(9), b 13.141(4), c 18.326(6) Ǻ, β 94.95(3)°, Z 2; 1896 independent observed data were refined to R 0.072, R′ 0.081." @default.
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- W2315144586 date "1985-01-01" @default.
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- W2315144586 title "Pentakis(methoxycarbonyl)cyclopentadiene Chemistry. IX. Some Derivatives Containing Copper(I): X-Ray Structures of [Cu{C5(CO2Me)5}(Eph3)2] (E=P and As) and [{Cu(AsPh3)3}2(µ-O2CMe)][C5(CO2Me)5]" @default.
- W2315144586 doi "https://doi.org/10.1071/ch9851441" @default.
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