Imidazole-2,4,5-trione

The reaction of [Co(NH3)5(imH)]-1 + with Br2(aq) in acetate or phosphate buffer gave, in addition to ring-brominated species, the imidazole-2,4,5-trione complex [Co(NH3)5(parabanate)]2+ (71). The same reaction also occurred on treatment of the imidazole complex with Cl2(alli in the absence... 

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