Redox-active polyiron complexes with tetra(ethynylphenyl)ethene and [2,2]paracyclophane spacers containing ethynylphenyl units: extension to higher dimensional molecular wire†
Abstract
Redox active polyiron complexes with higher dimensional spacers, the tetrairon complex with the two-dimensional tetra(ethynylphenyl)ethene spacer, (CC)[p-C6H4–C
C–FeCp*(dppe)]4, and the diiron complex with the three-dimensional spacer (pseudo-m-[2,2]paracyclophane)[C
C–FeCp*(dppe)]2, are prepared, and their performance as molecular wires is evaluated on the basis of their comproportionation constants for the mixed valence state.