Synthesis and reaction with metal ions of a new thionocarbamate

Synthesis and reaction with metal ions of a new thionocarbamate 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Synthesis and reaction with metal ions of a new thionocarbamate

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Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media B.V.
Subject
Chemistry; Catalysis; Inorganic Chemistry; Physical Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-011-0427-3
Publisher site
See Article on Publisher Site

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.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Nov 1, 2011

References

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