Derivatives of 2-nitro-4- or -5-pyridyloxyphenylphosphonic acid,

Details Derivatives of 2-nitro-4- or -5-pyridyloxyphenylphosphonic acid, Derivatives of 2-nitro-4- or -5-pyridyloxyphenylphosphonic acid,

1982-07-19

1984-05-29

Rotman, Alan L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

546 22, 424200, 424263, C07F 958, A01N 4340, A61K 3144

Patent

active

044512848

ABSTRACT:
The invention relates to novel 2-nitro-4- or -5-pyridyloxyphenylphosphonic acid derivatives of the formula ##STR1## wherein X is halogen or trifluoromethyl, Y is hydrogen or halogen, one of the two substituents A and E is a phosphonate group ##STR2## wherein R is C.sub.1 -C.sub.4 alkyl or hydrogen, and the other is a nitro group, including the metal salts thereof and the salts thereof with ammonium and organic nitrogen bases, and to the preparation and use thereof. These compounds may be used for controlling weeds, regulating plant growth, or as microbicides.

REFERENCES:
patent: 4322375 (1982-03-01), Maier et al.
patent: 4326880 (1982-04-01), Rempfler
Maier et al., Chemical Abstracts, vol. 99, No. 5, Abst. No. 38,638W, Aug. 1, 1983.

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