Aryl sulfonylurea carbamates and thiolcarbamates and salts thereof: herbicidal antidotes
申请人:STAUFFER CHEMICAL COMPANY
公开号:EP0052856A2
公开(公告)日:1982-06-02
Aryl sulfonylureas as new compositions and included in a two-part herbicide system comprising at least one or more thioicarbamate, thiolcarbamate sulfoxide or haloacetanilide herbicide, and as the second part a non-phytotoxic antidotally effective amount of aryl sulfonylurea as an antidote therefor of the formula
in which X is oxygen or sulfur; n is an integer; R is lower alkyl, lower alkylthio, halogen, trifluoromethyl, cyano, nitro, lower alkyl sulfonyl;
R4 is hydrogen, lower alkyl, lower alkoxyalkyl, phenyl and chlorophenyl;
R2 is hydrogen, lower alkyl, alkoxyalkyl and phenyl;
R' is lower alkyl, alkenyl, alkynyl, haloalkyl, alkoxyalkyl, 1-phenylpropenyl, benzyl, chlorobenzyl, haloalkenyl, phenyl and alkyl substituted phenyl; and
AR is phenyl, benzyl, naphthyl, pyridyl or styryl; and the inorganic base salts sodium, potassium, ammonium and other inorganic salts; and organic base salts thereof.
作为新组合物的芳基磺酰脲,包含在由两部分组成的除草剂体系中,其中包括至少一种或多种硫代氨基甲酸酯、硫代氨基甲酸酯亚砜或卤代乙酰苯胺除草剂,以及作为第二部分的非植物毒性抗毒性有效量的芳基磺酰脲作为其解毒剂,其式为
其中 X 是氧或硫;n 是整数;R 是低级烷基、低级烷硫基、卤素、三氟甲基、氰基、硝基、低级烷基磺酰基;
R4 是氢、低级烷基、低级烷氧基烷基、苯基和氯苯基;
R2 是氢、低级烷基、烷氧基烷基和苯基;
R' 是低级烷基、烯基、炔基、卤代烷基、烷氧基烷基、1-苯基丙烯基、苄基、氯代苄基、卤代烯基、苯基和烷基取代的苯基;以及
AR 是苯基、苄基、萘基、吡啶基或苯乙烯基;以及无机碱盐钠、钾、铵和其他无机盐;及其有机碱盐。