Synthesis and NMR spectroscopy of dichlorobis (acetophenonethiosemicarbazone) mercury (II) formed from phenylmercury (II) chloride and acetophenonethiosemicarbazone: the first example of symmetrisation in organomercury (II)-thiosemicarbazone chemistry

The reaction of phenylmercury(II) chloride with acetophenonethiosemicarbazone (Hatsc) in ethanol in 1:1 mole ratio undergoes symmetrisation forming the products, HgCl 2(Hatse) 2 and Ph 2Hg instead of the anticipated compound PhHgCl(Hatse). The analytical data, some physical properties, IR and NMR (...

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Published inInorganica Chimica Acta Vol. 267; no. 1; pp. 169 - 172
Main Authors Lobana, T.S., Sánchez, A., Casas, J.S., García-Tasende, M.S., Sordo, J.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 03.01.1998
Subjects
Organomercury(II) complexes
Thiosemicarbazone complexes
Thiosemicarbazone complexes
Organomercury(II) complexes
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Summary:The reaction of phenylmercury(II) chloride with acetophenonethiosemicarbazone (Hatsc) in ethanol in 1:1 mole ratio undergoes symmetrisation forming the products, HgCl 2(Hatse) 2 and Ph 2Hg instead of the anticipated compound PhHgCl(Hatse). The analytical data, some physical properties, IR and NMR ( 1H, 11C, 199Hg) spectroscopy all support the formation of HgCl 2(Hatse) 2, 199Hg NMR of the solid obtained from the filtrate of the reaction provides evidence for Ph 2Hg. This reaction represents the first example of a symmetrisation phenomenon observed in organomercury (II)-thiosemicarbazone chemistry.
ISSN:0020-1693
1873-3255
DOI:10.1016/S0020-1693(97)05574-6