Synthesis, Structure, and Redox Properties of a New Aqua Ruthenium Complex Containing the Tridentate [9]aneS₃ and the Didentate 1,10‐Phenanthroline Ligands

Abstract

The synthesis of a new Ru−H 2 O complex [Ru(phen)-(H 2 O)([9]aneS 3 )](ClO 4 ) 2 , 2, (phen = 1,10-phenanthroline, [9]aneS 3 = 1,4,7-trithiacyclononane) is described. The complex is characterized by UV/Vis and 1-D and 2-D NMR spectroscopy in solution. The complex has been further characterized in the solid-state by X-ray diffraction analysis which displays a distorted octahedral coordination geometry around the Ru metal center. The cyclic voltammetric experiments of

Pesticides Curbing Soil Fertility: Effect of Complexation of Free Metal Ions

“…Result evaluated through the comparative IR spectra of organophosphates with its corresponding metal complexes depicted, 20–30 cm −1 down shift of P = O band (comes originally in between 1,250 and 1,050 cm −1 ), along with, remarkable decrease in intensity and broadening in the peaks (Heineke et al, 1994 ; Murugavel et al, 2008 ). P-NMR up field shift up from a range of 25–65 to 0–10 ppm was observed (Sala et al, 2004 ). Such changes occurred near the P = O bonds in case of organophosphate pesticides, representing the active involvement of this group in complex formation with metal ions.…”

Is the Aromatic Fragment of Piano‐Stool Ruthenium Compounds an Essential Feature for Anticancer Activity? The Development of New RuII‐[9]aneS3Analogues

“…The capability of [9]aneS 3 to coordinate to transition metal centers (and to ruthenium in particular) as a robust, face-capping, six-electron donor ligand, in analogy to the η 6 -arene and η 5 -cyclopentadienyl fragments (Figure 2), is well known. [22][23][24][25][26][27] Figure 2. Schematic structural comparison of three half-sandwich Ru II fragments with different face-capping ligands.…”

(2,2′-Bipyridine-κ2N,N′)chlorido(1,4,7-trithiacyclononane-κ3S,S′,S′′)ruthenium(II) nitrate monohydrate

“…For related compounds, see: Sala et al (2004); ;; Marques et al (2008). For compounds with the same cation as the title compound, see: Serli et al (2005); Goodfellow et al (1997).…”

“…Some members of this family of compounds have been tested as cytotoxic ) and antimicrobial agents, or as catalysts (Sala et al, 2004). We have also studied the solid-state properties of the inclusion compounds of a number of these ruthenium compounds in cyclodextrins (Marques et al, 2008).…”