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. 2021 Jun 5;10(6):915. doi: 10.3390/antiox10060915

Figure 1.

Figure 1

Structure of CORM-2 (1) prior to dissolution in dimethyl sulfoxide (DMSO). After addition of DMSO, the chloride bridges of the CORM-2 dimer are displaced by attack of DMSO to the Ru(II) ion(s) yielding two identical [RuCl2(CO)3DMSO] monomers (2). Next, 2 further reacts with DMSO to yield [RuCl2(CO)2-(DMSO)] isomers (3a,3b) with concomitant release of CO. Alternatively, the carbonyl ligands can react with water to give carboxylates (4a–c). Adapted from [24].