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- W3152510363 abstract "A cobalt(III) complex bearing two 2,2ʹ-bipyridine (bpy) ligands and two aqua ligands, cis-[Co(bpy)2(OH2)2][OTf]3·H2O (1·[OTf]3·H2O; OTf− = CF3SO3−), was obtained from the reaction of [Co(bpy)2(CO3)][OTf]·0.5H2O with aqueous HOTf (HOTf = HCF3SO3, trifluoromethanesulfonic acid). The prepared complex was characterized by single-crystal X-ray crystallographic and elemental analyses, and its solution behavior was investigated by 1H NMR spectroscopy. Our study of 1·[OTf]3·H2O revealed that it is stable in water and acetone upon heating; however, in methanol and ethanol, the complex was unstable upon heating, forming [Co(bpy)3]3+, along with some Co(II) complexes. In addition, upon the reaction of 1·[OTf]3·H2O with picolinic acid (Hpic) in acetone at 295 K [Co(bpy)2(pic)][OTf]2 (2·[OTf]2) was gradually and selectively precipitated from the reaction solution with 82% yield. Moreover, the reaction between 1·[OTf]3·H2O, NaOH, and H2O2 in water at room temperature afforded the dinuclear complex [Co2(bpy)4(μ–O2)(μ–OH)][PF6]3 (3·[PF6]3) a good yield (92%) and excellent purity. The structures of 1·[OTf]3·H2O and 2·[PF6]2 were determined by single-crystal X-ray crystallographic analysis." @default.
- W3152510363 created "2021-04-26" @default.
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- W3152510363 date "2021-01-01" @default.
- W3152510363 modified "2023-09-23" @default.
- W3152510363 title "Use of <i>Cis</i>-Di(Aqua)Bis(2,2´-Bipyridine)Cobalt(III) to Construct a Heteroleptic Cobalt(III) Complex: X-Ray Single-Crystal Structure and Solution Behavior" @default.
- W3152510363 doi "https://doi.org/10.2139/ssrn.3821569" @default.
- W3152510363 hasPublicationYear "2021" @default.
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