Benzoxazole compounds, process for producing the same and herbicides
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United States of America Patent
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Jul 22, 2008
Grant Date -
Oct 20, 2005
app pub date -
Dec 1, 2004
filing date -
Jul 4, 2000
priority date (Note) -
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Abstract
The present invention relates to benzoxazole compounds represented by the following formula (I): ##STR00001## wherein R.sup.1 to R.sup.4 may be the same or different from each other, and each represent a hydrogen atom, alkyl group having 1 to 6 carbon atoms, alkoxy group having 1 to 4 carbon atoms, haloalkyl group having 1 to 4 carbon atoms, haloalkoxy group having 1 to 4 carbon atoms, halogen atom, nitro group, cyano group, R.sup.12S(O).sub.n, alkoxycarbonyl group having 1 to 4 carbon atoms, amino group, --NHCOR.sup.11 or carbonyl group, where R.sup.11 and R.sup.12 each represent an alkyl group having 1 to 6 carbon atoms, and n is an integer of 0 to 2, A represents a single bond, CHR.sup.5--Y, CR.sup.5.dbd.CR.sup.6, CR.sup.5R.sup.7--CHR.sup.6 or CHR.sup.5, where R.sup.5 represents a hydrogen atom, hydroxyl group, halogen atom or alkyl group, R.sup.6 and R.sup.7 each represent a hydrogen atom, hydroxyl group, alkyl group, halogen atom or substituted sulfonyloxy group, Y represents O, S or NH, and W represents a substituted or unsubstituted benzene ring or hetero ring, and processes for preparing the same.
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