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Synthesis and reaction with metal ions of a new thionocarbamate

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Abstract

The synthesis and research of a novel thionocarbamate N,N′-diethoxycarbonyl-O,O′-(1,4-butylidene) dithionocarbamate which contains two ester and two thioamide groups are reported. This compound was characterized by elemental analysis, UV spectrum, infrared spectrum, mass spectrum, and 1H NMR and 13C NMR spectroscopy. Additionally, the metal ion–collector interaction in organic solution was put into practice. The results of UV spectroscopic analysis showed that this dithionocarbamate with a new structure exhibited a stronger complex ability with Cu2+ than with Ni2+ or Fe3+. Furthermore, infrared spectroscopic analysis implicated that this dithionocarbamate binds to Cu2+ through both the C=O and C=S groups. Bench-scale flotation tests were also carried out, verifying that it has a higher copper flotation recovery and better selectivity to sulfide ores containing Cu compared with universal collectors.

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Acknowledgments

This study was financially supported by the the National High-Tech Research and Development Plan of China (Grant No. 2007AA06Z122), the National Basic Research Program of China (Grant No. 2007CB613602) and the National Natural Science Foundation of China (Grant Nos. 51074183 and 50604016).

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  1. Key Laboratory of Resources Chemistry of Nonferrous Metals, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China

    Lu Yuan & Hong Zhong

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  1. Lu Yuan
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  2. Hong Zhong
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Correspondence to Hong Zhong.

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Yuan, L., Zhong, H. Synthesis and reaction with metal ions of a new thionocarbamate. Res Chem Intermed 38, 903–909 (2012). https://doi.org/10.1007/s11164-011-0427-3

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  • DOI: https://doi.org/10.1007/s11164-011-0427-3

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