Coinage Metal Bis(amidinate) Complexes as Building Blocks for Self‐Assembled One‐Dimensional Coordination Polymers

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Abstract
The pyridyl functionalized amidinate [{PyC≡CC(NDipp)2}Li(thf)2]n was used to synthesize a series of bis‐amidinate complexes [{PyC≡CC(NDipp)2}2M2] (M=Cu, Ag, Au) with fully supported metallophilic interactions. These metalloligands were then used as building blocks for the synthesis of one‐dimensional heterobimetallic coordination polymers using Zn(hfac)2 (hfac=hexaflouroacetylacetonate) for self‐assembly. Interestingly, the three coordination polymers [{PyC≡CC(NDipp)2}2M2][Zn(hfac)2] (M=Cu, Ag, Au), exhibit a zig zag shape in the solid state. To achieve linear coordination geometry other connectors such as M’(acac) (M’=Ni, Co) (acac=acetylacetonate) were investigated. The thus obtained compounds [{PyC≡CC(NDipp)2}2Cu2][M’(acac)2] (M’=Ni, Co) are indeed linear heterobimetallic coordination polymers featuring a metalloligand backbone with fully supported metallophilic interactions.
Funding Information
  • Deutsche Forschungsgemeinschaft (SFG TR88 Project C3)
  • Fonds der Chemischen Industrie (108320)

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