| abstract |
PCT No. PCT/EP96/03949 Sec. 371 Date Mar. 13, 1998 Sec. 102(e) Date Mar. 13, 1998 PCT Filed Sep. 9, 1996 PCT Pub. No. WO97/11059 PCT Pub. Date Mar. 27, 1997Substituted 2-phenylpyridines I and their salts where n=0, 1; R1=halogen, C1-C4-haloalkyl; R2 and R3=H, halogen; R4=CN, halogen; R5=-CO-O-(C1-C4-alkylene)-CO-OR6, -CO-O-(C1-C4-alkylene)-CO-N(R7)R8, -O-(C1-C4-alkylene)-CO-O-(C1-C4-alkylene)-CO-OR6, -O-(C1-C4-alkylene)-CO-O-(C1-C4-alkylene)-CO-N(R7) R8, -S-(C1-C4-alkylene)-CO-O-(C1-C4-alkylene)-CO-OR6 or -S-(C1-C4-alkylene)-CO-O-(C1-C4-alkylene)-CO-N(R7)R8; R6=H, C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkyl, C2-C4-alkenyl, C3-C4-alkynyl; R7=H, C1-C4-alkyl, carboxy-C1-C4-alkyl, C1-C4-alkoxycarbonyl-C1-C4-alkyl; R8=H or C1-C4-alkyl, are used as herbicides and for the desiccation/defoliation of plants. |