| 摘要 |
N-(Substituted-phenyl)-5-fluoromethyl-1,2,4-triazolo[1,5-a]pyrimidine- 2-sulf o namides of formula <CHEM> wherein: Y' is H, OH, Cl, CH3, C2H5, OCH3, OC2H5, or SCH3; R<1> is H, F, Cl, Br, CH3, CF3, NO2, CO2(C1-C4 alkyl), or CON(C1-C4 alkyl)2; R<2> is H or CH3; and R<3> is F, Cl, Br, NO2, CO2(C1-C4 alkyl), CON(C1-C4 alkyl)2, OCH3, or OC2H5; are prepared from 2-benzylthio-5-fluoromethyl-1,2,4-triazolo[1,5-a]-pyrimidines and found to be herbicidal and selective to wheat and cotton, and some compounds are degradable in the soil. |
