Abstract
Insertion reactions of organic anhydrides and dianhydrides into the Cu–O bond of [CuO
t
Bu] and subsequent metathesis reactions of a Cu(I) complex with transition metal salts are described.
The synthesis and structural characterization of the copper salts [Cu
8(benzoate)
8(THF)
6] (
1), [Cu
2{(CO
2)
2C
6H
2(Boc)
2}dppm
2]
2 (
2) and [Cu
2{(CO
2)
2C
10H
4(Boc)
2}dppm
2]
2 (
3) [Boc
=
tert-butoxycarbonyl, dppm
=
1,2-bis(diphenylphosphino)methane] prove that cyclic organic anhydrides and dianhydrides readily insert into the Cu–O bond of [CuO
t
Bu] forming carboxylate ligands with ester functionalities in the ligand periphery. [Mn
3(
o-Boc-benzoate)
6(DME)
2] (
4) (DME
=
1,2-dimethoxyethane) was synthesized by the metathesis reaction of [Cu(I)(
o-Boc-benzoate)] with MnCl
2.