Abstract
The reduction and successive alkylation of [Co(III)(tmsalen)(py)
2]
+ at neutral pH lead to a novel and unexpected μ-hydroxo dinuclear cobalt complex, formed by an octahedral [Co(III)(tmsalen)(py)(OH)] unit connected to a β-folded [Co(III)(tmsalenCH
2)] fragment.
The reduction of [Co(III)(tmsalen)(py)
2]
+ with NaBH
4/PdCl
2 and the successive oxidative addition of CH
2ClI, carried out in neutral methanolic solution and followed by the addition of NaOH, afford a new dinuclear complex. The molecular structure reveals that it is formed by an octahedral [Co(tmsalen)(py)(OH)] unit connected to a β-folded [Co(tmsalenCH
2)]
+ fragment, in such a way that the latter metal completes the coordination sphere with the hydroxo group and a tmsalen oxygen from the former unit.