Abstract
Abstract A novel synthesis is presented for the meso -tetrakis(4-cyanophenyl)porphyrin complex Ru(T- p CN- P P)(CO)(H 2 O), the first Ru complex with this long-known porphyrin; compared to standard methods reported for other porphyrin analogues via Ru 3 (CO) 12 , extra steps involving addition of pyridine (Py) and its subsequent removal as [HPy + ]Cl − are required. The Py breaks down coordination polymers (as yet uncharacterized) formed via the peripheral p -cyanophenyl moiety; these materials may offer potential as porphyrin-based supramolecular solids. Removal of the CO by photolysis in MeCN solution generates Ru(T- p CN- P P)(MeCN) 2 , but attempts to make the bis(thiol) analogues from this precursor were unsuccessful, again due to formation of polymeric species.
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