Abstract
Nonheme iron oxygenases are known to catalyze various types of highly selective oxygenations. Many types of nonheme iron complexes have been developed by mimicking structures and catalytic functions of oxygenases. Toward our goal to develop some selective oxygenation catalysts that are useful not only in laboratory but also industry and environmental fields, recent results showing positive activities on the enzyme-like oxygenations by nonheme iron complexes are summarised. The results are not limited to homogeneous systems, but some extended examples to the heterogeneous systems are also involved. Two types of oxygenations, dioxygenase-like and monooxygenase-like oxygenations, are reviewed separately. In each part, oxygenations by molecular oxygen and activated oxygens (H2O2, tBuOOH, etc,) are summarised separately. Structural information of complexes and detailed discussions on mechanism of oxygenations are out of scope of this chapter, but attention was paid to discussions on radical and nonradical processes. Some recent important results on nonheme iron peroxo and oxo species are also involved in the final part. To avoid duplication with the contents in Vol. 19 of this series, most references are those from the last 5 years, but some types of model systems are described in the longer range with supplying references.
Published Version
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