| 摘要 |
<p>1,2-dialkyl-3,4,5-trisubstituted pyrazolium salts which are useful as herbicidal agents having the following formula: wherein R1 is alkyl C1-C5, allyl or benzyl; R2 is alkyl C1-C5; R3 is or naphthyl; R5 is ; R4 is alkoxy C1- C22, alkenyloxy C3-C4, halogen substituted alkenyloxy C3-C4, alkynyloxy C3-C4, -O-(CH2)n-W, alkylthio C1-C22, alkylsulfonyl C1-C22, , , , , , and ; R6 is hydrogen, methyl or phenyl; U and V each are hydrogen halogen, alkyl C1-C4, alkoxy C1-C4, NO2 or CF3; W is halogen, cyano, carbalkoxy C1-C7, alkoxy C1-C7, alkylthio C1-C7, alkylsulfonyl C1-C7, benzylthio or benzylsulfonyl; Z and Z' each are hydrogen, halogen, alkyl C1-C12, alkoxy C1-C4 or phenyl; X is an anion which is not phytotoxic and selected from the group consisting of an organic or inorganic acid; m is 1, 2 or 3; and n is 1, 2, 3, or 4.</p> |
