Method for the preparation of 2,3-pyridine-dicarboxylic acids an

Details Method for the preparation of 2,3-pyridine-dicarboxylic acids an Method for the preparation of 2,3-pyridine-dicarboxylic acids an

1992-10-28

1994-12-06

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546319, 546250, C07D213803, C07D213807

Patent

active

053712293

ABSTRACT:
There is provided an improved process for the preparation of substituted and unsubstituted 2,3-pyridinedicarboxylic acids in significantly enhanced yield by the nitric acid oxidation of the appropriately substituted quinoline precursor in the presence of a catalytic amount of Manganese.

REFERENCES:
patent: 3342792 (1967-09-01), Toekelt
patent: 4097492 (1978-06-01), Rohrscheid
patent: 4798619 (1989-01-01), Los
Organic Chemistry (N.Y.), 5 (C):295-342; 1978.
ACS Symposium Series, 22:156-159; 1978.
Chemistry and Industry, 250.251; 1961.
Metal-Catalyzed Oxidations of Organic Compounds, R. A. Sheldon and J. K. Kochi (Academic Press: New York, N.Y.) 1981.

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