
%0 Journal Article
%A Blackman, AG 
%A Buckingham, DA 
%A Clark, CR 
%A Kulkarni, S 
%T The Bromination in Aqueous-Solution of Imidazole Coordinated to Co(NH<sub>3</sub>)<sub>5</sub>(<sup>3+</sup>)
%J Australian Journal of Chemistry
%D 1986/09/01
%V 39
%N 9
%P 1465-1478
%K 
%R https://doi.org/10.1071/CH9861465
%U https://www.publish.csiro.au/paper/CH9861465 
%X Bromination  of imidazole coordinated to (NH3)5Co3+ (abbreviated Co) has been studied in aqueous Br- media, I = 0.1, 0.5 mol dm-3, 25.0&#176;C; Co(4,5- Br2ImH)3+ and Co(2,4,5-Br3ImH)3+ result from treatment with Br2(aq). Co(4-BrImH )3+ has also been prepared and characterized. Rate data correspond to reaction of the conjugate base of the imidazole complex, Co(BrxIm)2+ (x = 0, 1, 2), with Br2, with successive bimolecular rate constants 6&#215;109, 3&#215;108 and 3.5&#215;103 mol-1 dm3 s-1. Possible mechanisms are discussed. 
