Derivatives having the formula
or an agriculturally acceptable acid addition salt thereof, wherein R is lower alkyl or
R, is hydrogen or lower alkyl; X and Y independently equal hydrogen, lower alkyl, lower alkoxy or halogen; n is 0, 1, or 3; A is
R: is hydrogen or methyl; R3 is hydrogen or halogen; R4 is hydrogen, methyl or phenyl; Z is oxygen or sulfur; provided that when n is 1 and A is
R, cannot equal ethyl and when n is 1 and A is
R1 cannot equal n-propyl or isobutyl, further provided that when n is 0 A cannot equal
have been found to reduce herbicidal injury to crop plants due to thiocarbamate and acetanilide herbicides.
具有以下式子的衍
生物
或其农业上可接受的酸加成盐,其中 R 是低级烷基或
R,是氢或低级烷基;X 和 Y 独立地等于氢、低级烷基、低级烷氧基或卤素;n 是 0、1 或 3;A 是
R:是氢或甲基;R3 是氢或卤素;R4 是氢、甲基或苯基;Z 是氧或
硫;但当 n 是 1 且 A 是
R 不能等于乙基,当 n 为 1 且 A 为
R1 不能等于正丙基或异丁基,而且当 n 为 0 时,A 不能等于正丙基或异丁基。
已发现这些
除草剂可减少
硫代
氨基甲酸酯类和
乙酰苯胺类除草剂对作物造成的伤害。