| 摘要 |
<p>Substituierte 2-Phenyl-3(2H)-pyridazinone (I) und deren Salze, wobei n = 0, 1, 2; R1 = C1-C4-Alkyl, C1-C4-Halogenalkyl; R2 = H, Halogen; R3 = Halogen, CN; R4 = H, NO¿2?, CN, CHO, NH-OH, C1-C4-Alkyl, C1-C4-Halogenalkyl, -OR?5¿, -CH=N-OR6, -CH=C(R?7)-CO-OR8¿, -CO-OR9, C1-C6-Alkyl-SO2-NH, Di(C1-C6-Alkylsulfonyl)amino oder (a); R5 = C1-C6-Alkyl, C3-C6-Alkenyl, C3-C6-Alkinyl, (C1-C6-Alkoxy)-carbonyl-C1-C4-alkyl, (C3-C6-Alkenyloxy)carbonyl-C1-C4-alkyl, (C3-C6-Alkinyloxy)carbonyl-C1-C4-alkyl, C1-C4-Alkoxy-(C1-C4-alkoxy)carbonyl-C1-C4alkyl; R6 = H, C¿1?-C4-Alkyl, Hydroxycarbonyl-C1-C4-alkyl, (C1-C4-Alkoxy)-carbonyl-C1-C4-alkyl; R?7¿ = H, Halogen, C¿1?-C4-Alkyl; R?8¿ = H, C¿1?-C6-Alkyl; R?9¿ = H, C¿1?-C6-Alkyl, C3-C6-Alkenyl, C3-C6-Alkinyl, C1-C4-Alkoxy-C1-C4-alkoxy, Hydroxycarbonyl-C1-C4-alkyl, (C1-C6-Alkoxy)-carbonyl-C1-C4-alkyl, (C3-C6-Alkenyloxy)carbonyl-C1-C4-alkyl, (C3-C6-Alkinyloxy)carbonyl-C1-C4-alkyl, C1-C4-Alkoxy-(C1-C4-alkoxy)carbonyl-C1-C4-alkyl; R?10¿ = H, C¿1?-C6-Alkyl, COOH, (C1-C6-Alkoxy)carbonyl; Verwendung: als Herbizide; zur Desikkation/Defoliation von Pflanzen.</p> |
