Organometallic Chemistry

A homoleptic tris(diphosphacyclobutadiene) tripledecker sandwich complex



The synthesis and characterisation of [Co2(η4 P2C2tBu2)2(µ:η4:η4-P2C2tBu2)] (1) is described, featuring two cobalt atoms and three diphosphacyclobutadiene ligands. This compound is the first triple-decker sandwich complex which exclusively contains cyclobutadiene ligands.


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Supplementary material

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Electronic Supplementary Information
Synthesis and characterization of compound 1; NMR, UV-vis, cyclic voltammety and mass spectrometric data, single X-ray crystallographic data, and results of quantum chemical calculations.