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Complexation of 4,4′-di(tert-butyl)-5-ethynyl-2,2′-bithiazole with mercury(II) ion: Synthesis, structures and analytical applications by Li Liu; Yuk-Wai Lam; Wai-Yeung Wong is a Chemistry article available to read on EtoBox.
What is Complexation of 4,4′-di(tert-butyl)-5-ethynyl-2,2′-bithiazole with mercury(II) ion: Synthesis, structures and analytical applications about?
## Two new mononuclear mercury(II) alkynyl complexes containing substituted bithiazole unit were prepared in good yields by mercuration of 4,4 0 -di(tert-butyl)-5-ethynyl-2,2 0 -bithiazole (1) at room temperature via the dehydrohalogenation reaction of MeHgCl and HgCl 2 with terminal acetylene R-C"CH. The structures of the title compounds were characterized by NMR and IR spectroscopy, FAB mass spectrometry, X-ray crystallography and luminescence spectra. A new protocol for derivatization of inorganic and organic mercury(II) ions to mono-and dialkynyl mercury(II) compounds followed by extraction into dichloromethane is suggested, which can be effectively analyzed by HPLC technique using UV detection. The proposed procedure can offer a new opportunity for the simultaneous determination of inorganic Hg(II) and MeHg(II) in aqueous solutions.
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- Author
- Li Liu; Yuk-Wai Lam; Wai-Yeung Wong
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)
- Published
- 2006
- Language
- EN
- Field
- Chemistry (Physical Sciences)