A spectroscopic study of the protonation of acylferrocenes |
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| Affiliation: | 1. Clean Combustion Research Centre, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia;2. Key Laboratory for Power Machinery and Engineering of MOE, Shanghai Jiao Tong University, Shanghai 200240, China;1. Department of Organic and Biochemistry Faculty of Chemistry, University of Tabriz, 29th Bahman Avenue, Tabriz 51666-16471, Iran;2. Research Institute for Applied Physics and Astronomy, University of Tabriz, Tabriz 5166614766, Iran |
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| Abstract: | Infrared spectra of the products formed in the reaction between hydrogen chloride (and deuterium chloride) and the bases formylferrocene, acetylferrocene and 1,2-(α-ketotetramethylene)-ferrocene have been studied. The results suggest that these bases are much stronger than arylketones with a related skeletal structure and that at least two cationic conjugate acids are formed. The importance of the mutual interaction of the iron and oxygen atoms in stabilizing the protonated complexes is discussed. |
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