Processes for the preparation of aryl-.beta.-diketones, arylpyri

Details Processes for the preparation of aryl-.beta.-diketones, arylpyri Processes for the preparation of aryl-.beta.-diketones, arylpyri

1996-09-16

1999-07-20

Raymond, Richard L.

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

Organic compounds

Oxygen containing

568319, 568335, 562473, C07C 4500, C07C 4976, C07C 6500

Patent

active

059257954

ABSTRACT:
This invention relates to processes for the preparation of aryl-.beta.-diketones and aryl-pyrimidine ketones. In addition, this invention relates to the preparation of aryl-.beta.-triketones and dimethyl aminomethylene .beta.-diketones, which are useful as crop protection intermediates.

REFERENCES:
patent: 3365448 (1968-01-01), Lesher
patent: 3997530 (1976-12-01), Fanshawe et al.
patent: 5475145 (1995-12-01), Chassaing et al.
Ames, D.E., et al., Synthesis, "Synthesis of 1-Aryl-4-oxo-1H,4H-cinnoline-3-carboxylic Acid Esters", vol. 1, 1983, pp. 52-53.
Grohe, Klaus, et al., Liebigs Ann. Chem., "Cycloaracylation of enamines. I. Synthesis of 4-quinolone-3-carboxylic acids", vol. 1, 1987, pp. 29-37.
Lee-Ruff, E., et al., J. Chem. Soc., Chem. Commun., "Reinvestigation of a Reported Synthesis of a Series of Tetracarbonylmethanes", vol. 3, 1990, pp. 265-266.

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