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Porphyrin Macrocyclic Catalysts for the Processive Oxidation of Polymer Substrates
Ist Teil von
Journal of the American Chemical Society, 2010-02, Vol.132 (5), p.1529-1531
Ort / Verlag
United States: American Chemical Society
Erscheinungsjahr
2010
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
A novel cavity-containing porphyrin catalyst based on a previously reported clip architecture, substituted on the outer face with urea terminated tails, has been synthesized, and its properties toward the epoxidation of polybutadiene have been studied. It is shown that the presence of the urea tails provides efficient shielding of the manganese porphyrin against destruction and selectively directs the oxidation process to the inside of the catalyst cage, allowing for processive oxidation of a polymer substrate without the need of an additional axial ligand.