期刊
ACCOUNTS OF CHEMICAL RESEARCH
卷 40, 期 7, 页码 532-542出版社
AMER CHEMICAL SOC
DOI: 10.1021/ar600042c
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The Account discusses the phenomenon of two-state reactivity (TSR) or multistate reactivity (MSR) in high-valent metaloxo reagents, projecting its wide-ranging applicability starting from the bare species, through the reagents made by Que, Nam, and collaborators, to the Mn(V)oxo substituted polyoxometalate, all the way to Compound I species of heme enzymes. The Account shows how the behaviors of all these variegated species derive from a simple set of electronic structure principles. Experimental trends that demonstrate TSR and MSR are discussed. Diagnostic mechanistic probes are proposed for the TSR/MSR scenario, based on kinetic isotope effect, stereochemical studies, and magnetic- and electric-field effects.
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