- PYRIMIDINE DERIVATIVES AND HERBICIDES CONTAINING THE SAME
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The present invention provides a pyrimidine derivative represented by the formula: wherein R1p and R1q are the same or different, and each represents (1)hydrogen, (2)halogen, (3) a C1-6alkyl group which may be substituted or (4) a C1-6alkoxy group, and so on, R2 is halogen, a C1-6alkyl group, cyano group, and so on, Ar is a phenyl group which may be substituted or is a condensed hetero ring which may be substituted, which has excellent selective herbicidal activity, and a herbicide containing the derivative.
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- Substituted phenylheterocyclic herbicides
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This invention relates to certain phenylheterocyclic compounds, herbicidal compositions thereof and a method for their use as general and selective preemergent or postemergent herbicides or plant growth regulants.
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