Synthesis of Triple-Stranded Diruthenium(II) Compounds
Journal Publication ResearchOnline@JCUAbstract
A series of ligands containing a 1,4-disubstituted 1,2,3-triazole unit have been used for the formation of triple-stranded dinuclear Ru(II) complexes. In contrast to the previously reported complexes of labile metals, the use of inert Ru(II) enabled stereoisomeric mixtures of triple-stranded diruthenium(II) complexes to be accessed. The chromatographic resolution of the enantiomers of a reported helicate containing a more rigid 1,4-xylyl spacer was carried out on cellulose. The ligand spacer was modified and as the flexibility increased the production of isomeric mixtures was detected; the mesocate and helicate forms were separated when an n-propyl spacer was used. This pair of diastereomers was found to exhibit photoconversion, a unique observation for Ru(II) compounds of this type. Partial separation via chromatographic resolution was achieved for compounds containing an n-butyl spacer, and the presence of a mesocate/helicate pair confirmed.
Journal
European Journal of Inorganic Chemistry
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Volume
2022
ISBN/ISSN
1099-0682
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Issue
25
Pages Count
11
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Publisher
Wiley-VCH
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EISSN
N/A
DOI
10.1002/ejic.202200225