Pyrimidone derivatives and their use

Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing

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504242, 544326, 544328, C07D23932, A01N 4354

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active

055322085

ABSTRACT:
There are disclosed novel pyrimidone derivatives of the formula I: ##STR1## wherein X is hydrogen, chlorine, methyl or ethyl, R.sup.2 is hydrogen or methyl, and Q is ##STR2## A is fluorine, chlorine or bromine; and R.sup.1 is alkyl, alkenyl, alkynyl, alkoxyalkyl or haloalkyl.
Also disclosed are a herbicidal composition containing a herbicidally effective amount of the compound (I) as an active ingredient and a method for exterminating undesired weeds by applying a herbicidally effective amount of the compound (I) to an area where the undesired weeds grow or will grow.

REFERENCES:
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patent: 3869457 (1975-03-01), Lutz et al.
patent: 3981715 (1976-09-01), Lutz et al.
patent: 4981508 (1991-01-01), Strunk et al.
patent: 4981715 (1991-01-01), Strunk et al.
patent: 5041156 (1991-08-01), Suchy et al.
patent: 5077297 (1991-12-01), Perrior et al.
patent: 5104878 (1992-04-01), Whittle et al.
patent: 5149810 (1992-09-01), Perrior et al.
patent: 5232895 (1993-08-01), Suchy et al.
Chemical Abstracts 115(3):29371a, Abstract of JP02306968 A2, Dec. 1990.

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