Homogeneous coordination compounds as oxidation catalysts

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

1983-03-17

1986-03-18

Waltz, Thomas A.

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

Organic compounds

Amino nitrogen containing

558415, 564159, 556 42, 556 51, 556 57, 556 45, 556 81, 556113, 556130, 556136, 556148, 556181, C07C10324, C07C10338

Patent

active

045770425

ABSTRACT:
A complex of a tetradentate tetraanionic ligand L of the formula: ##STR1## and a metal, preferably a transition metal, is described. 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.

REFERENCES:
patent: 4009208 (1977-02-01), Lesher
patent: 4049713 (1977-09-01), Spivack
patent: 4051196 (1977-09-01), Wells et al.
patent: 4104287 (1978-08-01), Fisher et al.
patent: 4246198 (1981-01-01), Rosenberger et al.

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