Another one joined to the few structurally characterizes square planar osmium complexes. The synthesis is really interesting. For example (synthesis of 11), they dissolve the Os(II) starting material in benzene/pentane mixture, then remove the solvent and wash with pentane. Then there is some Et2O and DCM involved. I am trying to understand what is happening..
The title compound's synthesis is more straightforward. Reduction with Cp2Co. How I wish I could reduce something with cobaltocene. Never worked for me. In case you are wondering, it is a paramagnetic compound with a beautiful proton NMR spectrum. But it does have a 31P peak which is unusual for me.
I found the paper interesting and I think it is a really nice paper.
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