Process for the preparation of 2-(5,5-disubstituted-4-oxo-2-imid

Details Process for the preparation of 2-(5,5-disubstituted-4-oxo-2-imid Process for the preparation of 2-(5,5-disubstituted-4-oxo-2-imid

1985-04-11

1987-04-14

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546278, 548302, 548322, C07D40104

Patent

active

046580301

ABSTRACT:
A novel process for the preparation of herbicidal 2-(5,5-disubstituted-4-oxo(or thiono)-2-imidazolin-2-yl)nicotinic acids, quinoline-3-carboxylic acids and benzoic acids by the base-catalyzed cyclization of appropriately substituted 2-carbamoyl nicotinic acids, 3-quinolinecarboxylic, or benzoic acids.

REFERENCES:
Beilstein's Handbuch, vol. 22, pp. 150-151 (1935).
Hoffmann, Imidazole and Its Derivatives--Part I, Interscience Publishing Co. (1953), p. 95.

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