Process for extracting pyridine- and quinolinedicarboxylic acids

Details Process for extracting pyridine- and quinolinedicarboxylic acids Process for extracting pyridine- and quinolinedicarboxylic acids

1992-02-07

1993-04-27

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546321, 546322, C07D21380

Patent

active

052063682

ABSTRACT:
The present invention provides a process for extracting pyridine- and quinolinedicarboxylic acids from aqueous media. The pyridine- and quinolinedicarboxylic acids are useful in the preparation of herbicidal 2-(2-imidazolin-2-yl)nicotinate and quinoline-3-carboxylate compounds.

REFERENCES:
patent: 4460776 (1984-07-01), Wepplo
Chemical Abstracts, vol. 109, No. 3, Abstract 22968t, Jul. 18, 1988, p. 620.
Chemical Abstracts, vol. 110, No. 25, Abstract 231,630m, Jun. 19, 1989, p. 648.

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