Chatterjee, Debabrata and Sarkar, Papiya and Oszajca, Maria and Eldik, Rudi van (2016) Formation of [RuIII(edta)(SNO)]2– in RuIII(edta)-Mediated S-Nitrosylation of Bisulfide Ion. Inorganic Chemistry, 55 (10). pp. 5037-5040.

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The reaction of hydrogen sulfide (H2S) and nitric oxide (NO) is of great physiological significance in human organisms. Our present studies show that RuIII(edta) (edta4– = ethylenediaminetetraacetate) mediates the S-nitrosylation of bisulfide ion (HS–) using NO to form [RuIII(edta)(SNO)]2–, the first-ever example of a ruthenium complex containing thionitrite (SNO–) in aqueous solution. The reaction product [RuIII(edta)(SNO)]2– was characterized by IR, electron paramagnetic resonance, and electrospray ionization mass spectroscopy. Our studies further show that formation of the putative thionitrous acid coordinated to RuIII(edta) does not occur via the reaction of [RuIII(edta)NO]− with HS–.

Item Type: Article
Subjects: Chemistry
Depositing User: Dr. Sarita Ghosh
Date Deposited: 14 Jun 2017 11:37
Last Modified: 14 Jun 2017 11:37

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