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Mercury(II) and Organomercury(II) Complexes of Thiols and Dithiols, Including British Anti-Lewisite


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Canty, AJ and Kishimoto, R (1977) Mercury(II) and Organomercury(II) Complexes of Thiols and Dithiols, Including British Anti-Lewisite. Inorganica Chimica Acta, 24. pp. 109-122. ISSN 0020-1693

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The dithiols 2,3-dimercapto-l-propanol (British anti-Lewisite) and 1,3-dimercapto-2propanol form complexes RHgS-SHgR (R = Me, Ph). The PhHg(II) complexes decompose in benzene and methanol at ambient temperature to form diphenylmercury. A 1:1 complex of Hg(II) with 1,3 dimercapto-2-propano1 is dimeric in pyridine. Infrared, Raman, and 1H NMR spectra of RHg(II) and Hg(II) dithiol complexes are compared with those of PhHgSR (R = Me, Et, H,
But, Ph, CH,CH20H) and Hg(SR')2 (R’ = Me, Et, But, Ph, CH2CH20H). Phenylmercury(II) thiolates have the coupling constant J(orthoH-199Hg) within the range 144-155 Hz. The complexes PhHgSR and Hg(SR”)z (R” = Et, But, Ph) are monomeric in chloroform; the chloroform insoluble complexes Hg(SR”')2 (R”’ = Me, CH,CH20H) and organomercury
(II) dithiolates are monomeric in pyridine. Aspects of
the use of British anti-Lewisite as an antidote for mercury poisoning are discussed.

Item Type: Article
Journal or Publication Title: Inorganica Chimica Acta
Page Range: pp. 109-122
ISSN: 0020-1693
Identification Number - DOI: 10.1016/S0020-1693(00)93859-3
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Date Deposited: 06 Jan 2008 21:30
Last Modified: 18 Nov 2014 03:26
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