Heterocyclic compounds and herbicidal compositions containing the compounds as effective components
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United States of America Patent
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Feb 25, 1992
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N/A
app pub date -
Dec 7, 1989
filing date -
Mar 2, 1989
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Expired
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Abstract
A herbicide exhibiting high herbicidal activity against a variety of weeds and being highly safe for useful crops can be obtained through the use of a heterocyclic compound represented by the following general formula (I): ##STR1## wherein R represents a group represented by the following formula: ##STR2## X represents an oxygen atom or a sulfur atom; R.sup.1 represents a halogen atom or a lower alkyl group; R.sup.2 represents a hydrogen atom or a methyl group; R.sup.3 represents a halogen atom, a lower alkyl group, a lower haloalkyl group, a lower alkoxy group, a lower alkylthio group, a cyano group or --COOR.sup.4 (R.sup.4 is a lower alkyl group, a lower alkoxyalkyl group or a tetrahydrofurfuryl group); m is 0, 1 or 2 and n is 0, 1, 2 or 3.
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