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Updated: Aug 2, 2025

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
Published on: April 10, 2015
Sila[1]ruthenocenophanes: Long Sought-After Family Members
Satavisha Bhattacharya1, Ahmadreza Nezamzadeh1, Jianfeng Zhu2
1Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan, S7N 5C9, Canada.
Abstract:
During the last three decades, silicon-bridged [1]ferrocenophanes have been developed into an important class of monomers with the resulting polymers being the subject of hundreds of publications. For unknown reasons, not a single example of a silicon-bridged [1]ruthenocenophane is described in the literature. We set out to address this mystery and could synthesize the first sila[1]ruthenocenophanes. Their molecular structures as well as their heat release in the melt, render them as highly strained sandwich compounds that are polymerizable. Why did it take so long to prepare the first sila[1]ruthenocenophanes? This question is addressed by a detailed analysis of the kinetics of the salt-metathesis approach, which reveals a striking difference between ferrocene and ruthenocene.
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