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Mn(III)-complexes of tetraarylporphyrins 1-4 bearing a crown-ether covalently linked through a single flexible chain have been synthesized. Their basic frame is that of the robust tetra-(2,6-dichlorophenyl)porphyrin 5 and the chain is connected by ether linkage either to the ortho (1-2) or to the meta positions (3-4) of one meso-aryl group. Catalytic efficiency was tested in the epoxidation of the...
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