Substituted ureas as herbicides

Details Substituted ureas as herbicides Substituted ureas as herbicides

1975-09-22

1977-08-30

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 88, 71 94, 71 95, 71103, 71120, 26029385, 26032682, 260453RW, 260553A, 544159, A01N 912, C07C11900

Patent

active

040452093

ABSTRACT:
Novel urea derivatives of the formula ##STR1## wherein R and R.sub.1 are individually selected from the group consisting of hydrogen, chlorine, bromine, nitro, trifluoromethyl, lower alkyl of 1 to 6 carbon atoms and lower alkoxy of 1 to 6 carbon atoms, n is 0 or 1, X is selected from the group consisting of lower alkyl of 1 to 6 carbon atoms optionally substituted with halogen and a nitrogen heterocyclic optionally containing 1 or more other heteroatoms, Y is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and S--Z wherein Z is a nitrogen heterocyclic optionally containing 1 or more other heteroatoms and the dotted lines indicate that the compound of formula I may contain no oxygen bound to the sulfur atom or may be in sulfoxide or sulfonyl form which are useful as herbicides and thereon preparation.

REFERENCES:
patent: 3112342 (1963-11-01), Luckenbaugh
patent: 3124447 (1964-03-01), Wineman et al.
patent: 3165549 (1965-01-01), Martin et al.
patent: 3276855 (1966-10-01), Richter
patent: 3288586 (1966-11-01), Littler
patent: 3502705 (1970-03-01), Brown
patent: 3652630 (1972-03-01), Brown
patent: 3654357 (1972-04-01), Bretschneider et al.
patent: 3697572 (1972-10-01), Brown
patent: 3812209 (1974-05-01), Brown

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