Herbicidal-N-(3-amino-2,4-dinitro-6-trifluoromethylphenyl)-pyrro

Details Herbicidal-N-(3-amino-2,4-dinitro-6-trifluoromethylphenyl)-pyrro Herbicidal-N-(3-amino-2,4-dinitro-6-trifluoromethylphenyl)-pyrro

1977-03-03

1978-05-02

Tovar, Jose

Chemistry: fertilizers

Processes and products

Forms or conditioning

2603265FL, 26032682, C07D20724, C07D20726, A01N 922

Patent

active

040872700

ABSTRACT:
The present invention provides herbicidal-N-(3-amino 2,4-dinitro-6-trifluoromethylphenyl)-pyrrolidones having the formula: ##STR1## where X is oxygen or sulfur, and R, R.sub.1 and R.sub.2 are selected from among H or lower alkyl, of up to 4 carbon atoms.
The compounds of this invention are prepared by reacting a 2,4-dihalo-3,5-dinitrobenzotrifluoride with an amine, followed by condensation of the amino intermediate with the alkali metal salt of a pyrrolidone.
The N-(substituted-phenyl)-pyrrolidones described herein show good herbicidal activity, particularly pre-emergence activity against Japanese millet and crabgrass.

REFERENCES:
patent: 3586725 (1971-06-01), Hunter

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