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Synthesis and extractive properties of bisthiophosphorylimines

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Abstract

Novel transition metal complexes of bis(diarylsubstitutedthiophosphoryl)imines ligand derived from O,O-di(p-methoxylphenyl)thiophosphoryl chloride and O,O-di-(p-methoxylphenyl)thiophosphoryl amine with Cu(II), Co(II), Ni(II), Fe(II) and Mn(II) were synthesized. The formation mechanism of complexes and their stereochemistry structures were investigated according to elemental analysis, infrared spectra and 31P-nuclear magnetic resonance spectra. The extractions of the ligand for different divalent metal ions, such as Zn(II), Cd(II), Cu(II), Ni(II), Fe(II), Sn(II), Mn(II), Pd(II), Hg(II) and Fe(III), were investigated in sulphate solution, respectively. The results show the metal atom is coordinated by 4 sulfur atoms in a square-planar fashion, and the titled compound has not only powerful ability to coordinate with cadmium from aqueous solution with a high extractive rate about 61.20% and a relatively weak complexation for other divalent metals with the extractive rate from 2.46% to 36.66%, but also a good selectivity to Fe(III).

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China

    Rui-ren Tang  (唐瑞仁) & Xiao-ming Shi  (石晓明)

  2. School of Metallurgical Science and Engineering, Central South University, Changsha, 410083, China

    Qi-xiu Zhang  (张启修)

  3. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China

    Zi-long Tang  (唐子龙)

Authors
  1. Rui-ren Tang  (唐瑞仁)
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  2. Xiao-ming Shi  (石晓明)
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  3. Qi-xiu Zhang  (张启修)
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  4. Zi-long Tang  (唐子龙)
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Corresponding author

Correspondence to Rui-ren Tang  (唐瑞仁).

Additional information

Foundation item: Project([2004]52) supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars

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Tang, Rr., Shi, Xm., Zhang, Qx. et al. Synthesis and extractive properties of bisthiophosphorylimines. J. Cent. South Univ. Technol. 15, 329–333 (2008). https://doi.org/10.1007/s11771-008-0062-3

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  • DOI: https://doi.org/10.1007/s11771-008-0062-3

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