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A number of nonheme iron complexes have recently been identified that catalyze the epoxidation and cis-dihydroxylation of olefins with H 2 O 2 as oxidant. These catalysts have been inspired by a class of arene-dihydroxylating enzymes called the Rieske dioxygenases, the active sites of which consist of an iron center ligated by two histidines and a bidentate aspartate residue. The two...
The catalytic functionalization of alkanes under mild conditions is a subject of great current interest. Nature has evolved a number of metalloenzymes such as the heme-containing cytochrome P450 and the nonheme methane monooxygenase, which are capable of effecting such transformations. There has thus been significant interest in modeling such enzyme active sites and developing biomimetic alkane hydroxylation...
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