Condensed heterocyclic sulfonyl urea compound, a herbicide...

Details Condensed heterocyclic sulfonyl urea compound, a herbicide... Condensed heterocyclic sulfonyl urea compound, a herbicide...

2003-01-15

2010-10-19

Qazi, Sabiha (Department: 1612)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C544S235000, C544S236000, C544S296000, C544S320000, C504S215000

Reexamination Certificate

active

07816526

ABSTRACT:
The present invention provides a compound represented by the formula:wherein Q represents a fused heterocyclic group, X and Y are the same or different and each represent an optionally halogenated lower alkyl group, an optionally halogenated lower alkoxy group, etc., or a salt thereof, as well as a herbicide comprising the compound or a salt thereof, which exhibits a significant effect for control of sulfonylurea herbicide-resistant weeds in paddy fields and can reduce the number of active ingredients in a combined preparation and a method of controlling sulfonylurea herbicide-resistant weeds which comprises using the same.

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