C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/242.01, 71/7
C07D 487/04 (2006.01) A01N 43/90 (2006.01) C07D 249/14 (2006.01)
Patent
CA 1244826
ABSTRACT Novel compounds, e.g., N-(5,7-dimethyl-1,2,4- -triazolo[1,5-a]pyrimidin-2-yl)-2,5-dichlorobenzene sulfonamide having the formula Image and their compositions and use in the broadspectrum pre- and/or postemergent control of weeds as well as in selective weed control in crops such as wheat. These compounds can be prepared by the reaction of, e.g. N-(5-amino-1,2,4-triazol-3-yl)-2,5- dichlorobenzenesulfonamide hydrochloride and 2,4- pentanedione in glacial acetic acid. 31,525A-F
472459
Smart & Biggar
The Dow Chemical Company
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