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US 4,904,301 AGranted
5-Fluoromethyl-1,2,4-triazolo(1,5-A)-pyrimidines
AssigneeThe Dow Chemical Company
InventorsNorman R. Pearson, William A. Kleschick, Chrislyn M. Carson
Life of this patent
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Abstract
N-(Substituted-phenyl)-5-fluoromethyl-1,2,4-triazolo[1,5-a]pyrimidine-2-sul fonamides are prepared from 2-benzylthio-5-fluoromethyl-1,2,4-traizolo[1,5-a]pyrimidines and found to to be herbicidal. The compounds, illustrated by 5-fluoromethyl-7-methoxy-(2,6-dichloro-3-methylphenyl)-1,2,4-triazolo[1,5- a]pyrimidine-2-sulfonamide, are degradable in the soil.
Claims7
A compound of the formula ##STR5## wherein Y represents H, Cl, OH, CH.sub.3, C.sub.2 H.sub.5, or OCH.sub.3, and
- T represents HS, (C.sub.2 -C.sub.4)alkylthio, benzylthio, or ClSO.sub.2.
Dependencies are inferred from the claim text.