Frech, C M; Ben-David, Y; Weiner, L; Milstein, D (2006). Metal-controlled reactivity of a pincer-type, sigma-coordinated naphthyl radical anion. Journal of the American Chemical Society, 128(22):7128-7129.
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Reduction of the new, naphthalene-based pincer complex [(C10H5(CH2PiPr2)2)Rh(1-N2)] with potassium metal gave the corresponding -coordinated naphthyl radical anion complex, with a ring-centered radical and no change in the formal metal oxidation state. This paramagnetic complex can be reoxidized to the diamagnetic one with [Cp2Fe][BF4], the structural integrity being retained. Unexpectedly, treatment of a THF solution of the reduced complex with water leads to the immediate evolution of dihydrogen, with reoxidation to the starting complex. This is in striking contrast with the well-known reactivity of the naphthide radical anion, which undergoes ring protonation by water to form 1,4-dihydronaphthalene and naphthalene in a 1:1 ratio.
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|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||07 Faculty of Science > Department of Chemistry|
|Date:||7 June 2006|
|Deposited On:||11 Feb 2008 12:25|
|Last Modified:||27 Nov 2013 18:08|
|Publisher:||American Chemical Society|
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