Exogenous nitrile substrate hydroxylation by a new dicopper-hydroperoxide complex |
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| Authors: | Li Lei Narducci Sarjeant Amy A Vance Michael A Zakharov Lev N Rheingold Arnold L Solomon Edward I Karlin Kenneth D |
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| Institution: | Department of Chemistry, The Johns Hopkins University, Baltimore, MD 21218, USA. |
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| Abstract: | A dicopper(I)/phenol-ligand complex in RCN solvents reacts with O2 producing a mu-1,1-hydroperoxo dicopper(II) species. Subsequent thermal transformation results in nitrile hydroxylation and elimination of cyanide, as revealed by the isolation in comparable yields of (i) a cyanide-bridged tetranuclear cluster complex and (ii) benzaldehyde (for R = PhCH2); 18O labeling confirms that the PhC(O)H oxygen atom derives from O2. |
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