Homogeneous coordination compounds as oxidation catalysts

Details Homogeneous coordination compounds as oxidation catalysts Homogeneous coordination compounds as oxidation catalysts

1985-11-01

1988-07-19

Sneed, Helen M. S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

534 14, 556 42, 556 45, 556 51, 556 57, 556 64, 556 81, 556110, 556118, 568485, 568489, C07F 500, C07F 700, C07F 900, C07F 1100

Patent

active

047586826

ABSTRACT:
A complex of a tetradentate tetraanionic ligand L of the formula: ##STR1## and a metal, preferably a transition metal, is described where Z is an anionic oxidation reistant metal complexing group, Ch is an oxidation resistant chelate group containing 1 to 4 chain atoms and Y is hydrogen. The chelate and ring Z-Ch-M-Z functional groups Z, such as N or O, are resistant to oxidation and the ring contains 4 to 7 preferably 5 to 6 chain atoms. An osmium complex containing two pyridine ligands is an oxidation catalyst. Further activation by anodic oxidation and heating to a temperature exceeding 30.degree. C. greatly increases catalytic activity.

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