半夹芯16电子碳硼烷化合物Cp*CoS2C2B10H10与含磷化合物的反应性

半夹芯16电子碳硼烷化合物Cp~*CoS_2C_2B_(10)H_(10)分别与二苯基甲基膦、苯基二甲基膦和三甲基膦反应得到碳硼烷衍生物(Cp~*CoS_2C_2B_(10)H_(10))(PPh_2Me)(1)、(Cp~*CoS_2C_2B_(10)H_(10))(PPhMe_2)(2)和(Cp~*CoS_2C_2B_(10)H_(10))(PMe_3)(3)。分别用红外、核磁、元素分析、质谱和单晶X射线衍射等表征方法对1、2和3进行了结构表征。紫外可见吸收光谱结果显示化合物1、2和3在乙腈溶剂中均有2个吸收峰,第一个吸收峰分别位于321、316和321 nm;第二个吸收峰分别位于425、399和407 nm。荧光光谱结果显示化合物1、2和3在乙腈中的最大发射波长位于406 nm左右。

Reactivity of Half-Sandwich 16e Carborane Compound Cp*CoS2C2B10H10 with Phosphorous Compounds

Half-sandwich 16e carborane compound Cp^*CoS₂C₂B₁₀H₁₀ reacts with diphenylmethylphosphine, phenyl-dimethylphosphine and trimethylphosphine to afford addition compounds (Cp^*CoS₂C₂B₁₀H₁₀) (PPh₂Me) (1), (Cp^*CoS₂C₂B₁₀H₁₀) (PPhMe₂) (2) and (Cp^*CoS₂C₂B₁₀H₁₀) (PMe₃) (3), respectively. 1, 2 and 3 have been characterized by IR, NMR, elemental analysis, mass spectrum and single-crystal X-ray diffraction analysis. The ultraviolet spectra of compounds 1, 2 and 3 in acetonitrile showed two absorb bands, where the first bands were located at 321, 316 and 321 nm, respectively, and the second bands were located at 425, 399 and 407 nm, respectively. The fluorescence spectrum results of compounds 1, 2 and 3 exhibited maximum emission peaks at about 406 nm.