N-phenyl-N-pyrimidin-2-ylureas

Details N-phenyl-N-pyrimidin-2-ylureas N-phenyl-N-pyrimidin-2-ylureas

1989-04-03

1990-10-30

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 76, 71 86, 71 87, 71 90, 544243, 544321, 544330, 544331, 544332, A01N 4354, C07D23942

Patent

active

049666223

ABSTRACT:
The present invention relates to novel N-phenyl-N-pyrimidin-2-ylureas having a herbicidal and plant growth-regulating activity, to agrochemical compositions containing those substances as active ingredients, to the use of the novel ureas for controlling weeds or for regulating plant growth, and to processes for the preparation of the novel compounds. The invention also relates to novel intermediates and to processes for the preparation thereof.
The novel compounds correspond to formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are each, independently of the others, hydrogen; halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; C.sub.1 -C.sub.4 alkyl-S(O).sub.n -; nitro; cyano; C.sub.1 -C.sub.4 alkoxycarbonyl; C.sub.1 -C.sub.4 alkylcarbonyl; di-(C.sub.1 -C.sub.4 alkylamino)-carbonyl; mono-(C.sub.1 -C.sub.4 alkylamino)carbonyl; carbamoyl; C.sub.1 -C.sub.4 haloalkyl-S(O).sub.n -; or -PO[O-(C.sub.1 -C.sub.4)-alkyl].sub.2 ;

REFERENCES:
patent: 4659363 (1987-04-01), Hubele et al.
patent: 4694009 (1987-09-01), Hubele et al.
patent: 4783459 (1988-11-01), Buhmann et al.
patent: 4802909 (1989-02-01), Rempfler et al.
Rempfler, et al., "Chemical Abstracts", vol. 109, 1988, col. 109;33864g.

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