| abstract |
Acetamide derivs. of formula (I) are new. In (I) Q is a trimethyl-1-cyclopentenyl or trimethyl-1-cyclohexenyl gp. in which 2 Me gps. are attached to the same C atom; R is 1-6C alkyl or alkoxyalkyl; each X is independently H, Me, Cl or Br. (I) are herbicides esp. useful for selective pre-emergence control of gasses and broad-leaved weeds in rape, beet, soya, cotton and maize crops. They also have a dwarfing effect on cereals (e.g. winter barley), and some are stated to have fungicidal activity. |