Herbicidal use of aminohalopyridyloxy acids and derivatives ther

Details Herbicidal use of aminohalopyridyloxy acids and derivatives ther Herbicidal use of aminohalopyridyloxy acids and derivatives ther

1976-12-23

1978-08-29

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

A01N 922

Patent

active

041101049

ABSTRACT:
Compounds corresponding to the formula ##STR1## wherein X represents chloro, bromo, or fluoro; R represents one of cyano (-CN), carbamoyl (--CONR.sup.3 R.sup.4) or carboxy (--COOH) or the carboxylic acid salts thereof; each of R.sup.3 and R.sup.4 independently represents hydrogen or alkyl of 1 to 8 carbon atoms; M represents hydrogen or loweralkyl; R.sup.1 represents hydrogen, loweralkyl, amino or loweralkylamino of 1 to 4 carbon atoms; and R.sup.2 represents hydrogen, X, loweralkyl, amino or loweralkylamino, with the proviso that one of R.sup.1 or R.sup.2 is always amino or loweralkylamino and the other of R.sup.1 and R.sup.2 is always other than amino or loweralkylamino are prepared. These compounds are useful as herbicides and as active agents in compositions used as herbicides.

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Cava et al., "Pyridine Ders. II, Some Halogen, etc.", (1958), J. Org. Chem. 23, pp. 1614-1616, (1958).
Veldstra, "Form and Function of Plant Growth Substances", (1955), CA53, p. 18199, (1959).

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