Synthesis, Structure Characterization and Its Coordination with Metal Ions of N,N'-diethoxycarbonyl-N',N' '-(1,2- propylidene) dithiourea

摘要

The synthesis, characterization, and its coordination with metal ions of a novel thiourea N,N'-diethoxycarbonyl-N",N' "-(1,2-propylidene) dithiourea was reported. The structure of the prepared compound was determined by elemental analysis, infrared spectrum, mass spectrometry, ~1H NMR and ~(13)C NMR spectroscopy. Its coordination with metal ions such as Cu~(2+), Ni~(2+), Fe~(3+) was investigated by uv-vis spectrophotometer. The results show that this dithiourea with new structure can react with Cu~(2+) and Ni~(2+) separately, and has a best selectivity to Fe~(3+) ion. Bench-scale flotation tests were also carried out, verifying it has higher copper flotation recovery compared with universal collectors and better selectivity to sulphur.