Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids a

Details Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids a Alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids a

1993-05-27

1994-09-06

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546168, 546170, C07D21326, C07D21346, C07D21514

Patent

active

053449355

ABSTRACT:
There are provided alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids useful as intermediates for the preparation of highly effective 5-heterocyclic-2-(2-imidazolin-2-yl)pyridine herbicidal agents and methods for the preparation thereof.

REFERENCES:
patent: 4638068 (1987-01-01), Los
patent: 4758667 (1988-01-01), Szczepanski et al.
patent: 4798619 (1989-01-01), Los
CA109(3):22968t Preparation of . . . herbicidal agents. Doehner p. 620, 1988.
CA113(13):115107j Preparation of . . . herbicide intermediates. Doehner, p. 675, 1990.
CA104(15):130206y Diels-Alder . . . nucleosides. Maggiora et al., 1986.

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