申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0044213A1
公开(公告)日:1982-01-20
A compound of the formula:
where
Q is O or NR5;
R, is C1-C4 alkyl. C1-C4 alkyl substituted with 1-3 atoms of F, Cl or Br, CH2CH20CH3, CH2CH2CH2OCH3 or
R2 is H. F, Cl. Br, OCH3, NO2 or C1-C2 aikyl;
R3 is H, F, Cl, Br or CH3;
R4 is H, CH3 or OCH3:
R5 is C1-C4 alkyl;
R6 and R7 are independently H, F, Cl. Br, CH3. CF3, NO2 or OCH3;
A is
X is NH2. NICH3)2. NHCH3. C1-C4 alkyl, CH2OCH3, CH2OC2H5, C1-C3 alkoxy, C3-C4 alkenyloxy, C3-C4 alkynyioxy, OCH2CF3 or C1-C3 alkyl substituted with 1-3 atoms of F, CI or Br;
Y is H, CH3, OCH3 or Cl;
X, is H, CH3, OCH3 or Cl: and
Z is CH, N, CCH3 CBr, CCl, CF or Cl;
provided that:
(1) when Y is Cl, then Z is CH and X is NH2, NHCH3, NlCH3)2, CH3 or OCH3; and
(2) when Y is H, then X is OCH3, CH3 or GH2OCH3, and Z is CH, CCH3, CBr, CCI, CF or Cl.
The compounds may be formulated in compositions and may be used as general, as well as selected, pre- and post-emergence herbicides. The compounds may be prepared from novel intermediates of formula
式中的化合物:
式中
Q 是 O 或 NR5;
R,是 C1-C4 烷基。被 1-3 个 F、Cl 或 Br 原子取代的 C1-C4 烷基,CH2CH20CH3、CH2CH2CH2OCH3 或
R2 是 H、F、Cl.Br、OCH3、NO2 或 C1-C2 烷基;
R3 是 H、F、Cl、Br 或 CH3;
R4 是 H、CH3 或 OCH3:
R5 是 C1-C4 烷基;
R6 和 R7 独立地为 H、F、Cl.CF3、NO2 或 OCH3CF3、NO2 或 OCH3;
A 是
X 是 NH2。NICH3)2。NHCH3。C1-C4烷基、CH2OCH3、CH2OC2H5、C1-C3烷氧基、C3-C4烯氧基、C3-C4炔氧基、OCH2CF3或被1-3个F、CI或Br原子取代的C1-C3烷基;
Y 是 H、CH3、OCH3 或 Cl;
X 是 H、CH3、OCH3 或 Cl:以及
Z 是 CH、N、CCH3 CBr、CCl、CF 或 Cl;
条件是
(1) 当 Y 为 Cl 时,则 Z 为 CH,X 为 NH2、NHCH3、NlCH3)2、CH3 或 OCH3;以及
(2) 当 Y 为 H 时,X 为 OCH3、CH3 或 GH2OCH3,Z 为 CH、CCH3、CBr、CCI、CF 或 Cl。
这些化合物可配制成组合物,并可用作一般除草剂以及选定的萌芽前和萌芽后除草剂。这些化合物可由式如下的新型中间体制备