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Sulfur-Assisted Chloride and Triphenylphosphine Dissociation of Palladium(II) Complex [Pd(PPh_3)_2(ŋ^1-SCOPh)(Cl)]. X-ray Structure of [Pd(PPh_3)_2(ŋ ^1-SCOPh)(Cl)]

硫-輔助鈀金屬錯合物-[Pd(PPh_3)_2(η^1-SCOPh) (C1)]中氯離子與三苯基膦解離:錯合物[Pd(PPh_3)_2(η^1-SCOP的(C1)]的晶體構造

摘要


將錯合物四苯基膦鈀Pd(PPh_3)_4與氯化苯基硫代碳酸,PhOC(=S)Cl,於-20˚C二氯甲烷中作用可得到氧化加成的鈀金屬錯合物[P d(PPh_3)_2 (ŋ^1-SCOPh)(C1)],2伴隨者掉落2分子的三苯基膦。錯合物2的磷核磁共振光譜圖,^(31)P{^1H} NMR,顯示氯離子或三苯基膦的解離錯化合物[Pd(PPh_3)_2(η^2- SCOPh)][C1],3或雙重鈀金屬錯化合物[Pd(PPh_3)Cl]_2(η^2-SCOPh)_2,4。錯化合2經由x-光繞射鑑定其結構。

並列摘要


Treatment of Pd(PPh_3)_4 with phenylchlorothiocarbonate, PhOC(=S)C1, in dichloromethane at -20 produces the oxidative addition palladium complex [Pd(PPh_3)_2(ŋ^1-SCOPh)(C1)], 2 with releasing two triphenylphosphine ligands. The ^(31)P{^1H} NMR spectra of complex 2 shows the dissociation of either the chloride or the triphenylphosphine ligand to form complex [Pd(PPh_3)_2(ŋ^2-SCOPh)][Cl], 3 or the dipalladium complex [Pd(PPh_3)C1]_2(ŋ^2-SCOPh)_2, 4. Complex 2 is characterized by X-ray diffraction analysis.

參考文獻


C. R. Green, R. J. Angelici, Inorg. Chem., 11 (1972) 2095
R. J. Angelici, Acc. Chem. Res., 5 (1972) 335
A. W. Gal, H. P. M. M. Ambrosius, A. F. J. M. Van der Ploge, W. P. Bosman, J. Organomet. Chem., 149 (1978) 81
W. K. Dean, J. B. Wetherington, J. W. Moncrieff, Inorg. Chem., 15 (1976) 1566
W. P. Bosman, A. W. Gal, Cryst. Struct. Commun., 4 (1975) 465

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