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Iron indenyl carbonyl compounds: CO-releasing molecules

2010; Royal Society of Chemistry; Volume: 39; Issue: 38 Linguagem: Inglês

10.1039/c0dt00203h

1477-9234

L. Hewison, S.H. Crook, Tony Johnson, Brian E. Mann, Harry Adams, S.E. Plant, Philip Sawle, Roberto Motterlini,

Cannabis and Cannabinoid Research

New CO-releasing molecules, CO-RMs, based on indenyl iron carbonyls have been identified. Half-lives for carbon monoxide (CO) release, (1)H NMR, (13)C NMR, IR, mass spectra, elemental analysis and biological data have been determined for the compounds. Limited correlations have been made between half-lives and ΔG(‡) for CO release and spectroscopic parameters, ν(CO) and δ((13)CO). X-ray structures have been determined for [Fe(η(5)-C(9)H(7))(CO)(2)L][BF(4)] where L is CO, NCMe, PPh(3), P(OPh)(3), NC(5)H(5) or 1-methylimidazole. Improved preparations of [Fe(η(5)-C(9)H(7))(CO)(2)](2) and [Fe(η(5)-C(9)H(7))(CO)(3)][BF(4)] are reported.