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Journals and Conferences
A new chiral binaphthyl-strapped iron-porphyrin 4 b that exhibits unprecedented catalytic activity toward the enantioselective epoxidation of terminal olefins was synthesized. Typical enantiomeric excesses (ee) of 90 % were measured with a maximum of 97 % for the epoxidation of styrene, whereas the turnover numbers (TON) averaged 16000.
Water-soluble porphyrins can be phase transferred by the hyperbranched multiarm copolymer PEI-PZLys; good catalytic activities and recyclabilities were observed for oxidation catalyzed by the encapsulated porphyrins.
Porphyrin-containing cytochrome P450 and peroxidase enzymes are ubiquitous in nature, and found in a variety of biological oxidation catalysts. Laboratory-synthesized metalloporphyrins have been extensively used as model compounds to mimic the wide range of oxidation reactions of these enzymes, in which catalysts capable of degrading polychlorinated… (More)