申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0001514A2
公开(公告)日:1979-04-18
Herbicidal sulfonamides and preparation and use thereof, said sulfonamides having the general formula:
wherein
R1 is H, alkyl of 1 to 3 carbon atoms or -OCH3;
R2 is H or alkyl of 1 to 3 carbon atoms;
R3 is thienyl, phenyl or substituted phenyl;
X is Cl, CH3, -CH2CH3, alkoxy of one to three carbons, CF3, CH3S-. CH3OCH2- or CH3OCH2CH2O-
Y is CH3 or OCH3;
Z is CH or N;
and their agriculturally suitable salts. The compounds can be formulated for agricultural use in conventional manner and used as general or selective herbicides or as plant growth regulants. The compounds can be prepared e.g. from appropriate sulfonyl isocyanates and 2-alkylamino- pyridines or 2-alkylamino-1,3,5-triazines.
杀草磺胺类化合物及其制备方法和用途,所述磺胺类化合物具有通式:
其中
R1 是 H、1 至 3 个碳原子的烷基或-OCH3;
R2 是 H 或 1 至 3 个碳原子的烷基;
R3 是噻吩基、苯基或取代苯基;
X 是 Cl、CH3、-CH2CH3、1 至 3 个碳原子的烷氧基、CF3、CH3S-.CH3OCH2-或 CH3OCH2CH2O-
Y 是 CH3 或 OCH3
Z 是 CH 或 N;
以及它们在农业上适用的盐类。这些化合物可按常规方法配制成农用制剂,用作一般或选择性除草剂或植物生长调节剂。这些化合物可以由适当的磺酰异氰酸酯和 2-烷基氨基吡啶或 2-烷基氨基-1,3,5-三嗪制备而成。