Urea derivatives, and their production and use

Details Urea derivatives, and their production and use Urea derivatives, and their production and use

1980-01-24

1983-04-05

Mills, Catherine L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 98, 260453RW, 564 49, 564 52, A01N 4730, C07C 6976, C07C12719

Patent

active

043789927

ABSTRACT:
Novel N'-phenyl-N-methylurea derivatives of the formula: ##STR1## wherein R is a C.sub.4 -C.sub.10 cycloalkyl group, a C.sub.4 -C.sub.10 cycloalkenyl group, a C.sub.4 -C.sub.10 cycloalkyl group condensed with a benzene ring or substituted with at least one C.sub.1 -C.sub.4 alkyl group or a C.sub.4 -C.sub.10 cycloalkenyl group condensed with a benzene ring or substituted with a C.sub.1 -C.sub.4 alkyl group, Z is a C.sub.1 -C.sub.4 alkylene group which may have an atom of oxygen and/or sulfur at the terminal of and/or inside the carbon chain, Y is an oxygen atom or a sulfur atom, A is a hydrogen atom, a methyl group or a methoxy group and n is an integer of 0 or 1 with the proviso that in the chain consisting of --(Z).sub.n --Y--, oxygen and/or sulfur atoms can not be present in succession, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants without any material toxicity to mammals and any chemical injury to said crop plants.

REFERENCES:
patent: 4123256 (1978-10-01), Yoshida et al.
patent: 4149874 (1979-04-01), Felix
Chemical Abstracts, vol. 87, No. 19, 7th Nov. 1977, p. 559, No. 151868m.
Chemical Abstracts, vol. 73, No. 15, 12th Oct. 1970, p. 263, No. 75986s.

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