A Fluxional Cu^IN₂O₂ Core: Binding of a Keto Oxygen Atom to Cu^I and Ag^I

Bis(2-acetylpyridine-κ2N,O)silver(I) tetrafluoridoborate: a complex with silver in a seesaw coordination geometry

“…For other silver complexes with the same ligand, see: Bowmaker et al (2005); Drew et al (2005); Di Nicola et al (2010). For examples of our previous work on silver complexes, see: Steel (2005); Fitchett & Steel (2006); O'Keefe & Steel (2007); Steel & Fitchett (2008); Golder et al (2010).…”

“…2-acetylpyridine coordinates to a variety of transition metals, usually as an N,O-chelating ligand, although it has been reported to act as an O-monodentate donor to a zinc porphyrin (Byrn et al, 1993). X-ray crystal structures have been reported for complexes of 2-acetylpyridine with silver(I) perchlorate (Bowmaker et al, 2005;Drew et al, 2005), trifluoroacetate (Bowmaker et al, 2005), trifluoromethanesulfonate (Di Nicola et al, 2010) and nitrate (Bowmaker et al, 2005). The latter has a single 2-acetylpyridine bound to the silver with a chelating nitrate anion, while the others have two chelating 2-acetylpyridine ligands.…”

Synthesis and structural, magnetic and spectroscopic characterization of iron(iii) complexes with in situ formed ligands from methyl-2-pyridyl ketone transformations

“…15 Interesting in situ transformations of pyCOMe were observed in [Cu II 2 {pyCOCH 2 C(CH 3 )(OH)py} 2 ](ClO 4 ) 2 and [Cu II 4 {pyCOCH 2 C (CH 3 )(O)py} 2 Cl 4 ]. 13,14 The heptanuclear complex [Co III Co II 6 (OH) 6 {pyC (CH 3 )(O)CH 2 COCH 3 } 6 ](ClO 4 ) 3 contains another in situ formed ligand from the nucleophilic addition of the carbanion CH 3 COCH 2 − to pyCOMe. The carbanion is formed from the acetone solution due to the presence of the strong base NBu n 4 OMe in the reaction.…”

Copper complexes for the promotion of iminopyridine ligands derived from β-alanine and self-aldol additions: relaxivity and cytotoxic properties

“…Datta et al56 prepared a dinuclear dimeric complex, [Cu2(HL)2](ClO4)2, by the oxidation of [Cu I (acepy)2]ClO4 with H2O2 in MeOH, where HL is a monoanionic ligand that results from aldol addition between two acepy molecules and hemiacetal formation. Our results show that the Cu metal precursor has a crucial impact on the association and nuclearity of the final complex.…”