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Use of HNO3 as the source of NO to prepare a nitric oxide complex of ruthenium

Drew, M. G. B., Nag, S. and Datta, D. (2008) Use of HNO3 as the source of NO to prepare a nitric oxide complex of ruthenium. Dalton Transactions (17). pp. 2298-2302. ISSN 1364-5447

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To link to this item DOI: 10.1039/b719134k

Abstract/Summary

Reaction of cis-Ru(bisox)(2)Cl-2, where bisox is 4,4,4',4'-tetramethyl-2,2'-bisoxazoline, with HNO3 in 1 : 4 molar proportion in boiling water under N-2 atmosphere and subsequent addition of an excess of NaClO4 center dot H2O yields [Ru(bisox)(HL)(NO)](ClO4)(NO3) (1). HL is a hydrolysed form of bisox where one of the oxazoline rings opens up. X-Ray crystallography shows that 1 contains an octahedral RuN5O core. HL binds the metal through an imino N, an amide N and an alcoholic O atom. Reaction of cis-Ru(bisox)(2)Cl-2 with an excess of NaNO2 in water gives cis-Ru(bisox)(2)(NO2)(2) (2). On acidification by HClO4 in methanol, 2 is smoothly converted to cis-[Ru(bisox)(2)(NO2)(NO)](ClO4)(2) (3) due to equilibrium (1).

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11222
Uncontrolled Keywords:NITROSYL COMPLEXES, SMOOTH-MUSCLE, LIGAND, SPECTROSCOPY, REACTIVITY, CHEMISTRY, ACID, BOND
Publisher:Royal Society of Chemistry

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