有机化学 ›› 1986, Vol. 6 ›› Issue (2): 134-138. 上一篇    下一篇

研究论文

膦取代的羰基铂簇的合成,结构和性质

翟纬绪;赵转云   

  1. 中国科学院兰州化学物理研究所
  • 发布日期:1986-04-25

Synthesis, structures and properties of phosphine-substituted platinum carvonyl clusters

ZHAI WEIXU;ZHAO ZHUANYUN   

  • Published:1986-04-25

Pt(PPh~3)~2Cl~2在碱性介质中,与一氧化碳直接进行还原及羰基化反应,得到五种膦取代的羰基铂配合物:Pt~5(μ~2-CO)~5(CO)(PPh~3)~4 1,Pt~3(μ~2-CO)~3(PPh~3)~3 2,Pt~3(μ~2-CO)~3(PPh~3)~4 3,Pt~4(μ~2-CO)~6(PPh~3)~44,以及Pt(Cl)(PPh~3)~2(COOCH~3) 5. 经X-射线单晶衍射 分析,确定了新的三核铂羰基簇2以及配合物5的分子结构.还讨论了1和5的生成机理.

关键词: 晶体结构测定, X射线衍射分析, 羰基络合物, 铂络合物, 三苯基膦, 簇状化合物

The direct reduction and carbonylation of Pt(PPh3)2Cl2 with CO in aqueous NaOH solution was studied. At 40-50? a mixture of Pt3(m2-CO)3(PPh3)4, Pt3(m2-CO)3(PPh3)3(I), Pt(Cl)(PPh3)2(CO2Me)(II) and Pt4(m2-CO)5(PPh3)4 was obtained. At 10-15? a mixture of I, II and Pt5(m2-CO)5(CO)(PPh3)4 was obtained. The structures of I and II were determine by x-ray diffraction anal. and mass spectra.

Key words: CRYSTAL STRUCTURE DETERMINATION, X-RAY DIFFRACTION ANALYSIS, CARBONYL COMPLEX, PLATINUM COMPLEX, TRIPHENYLPHOSPHINE, CLUSTER COMPOUND

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