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US4880456A Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth 失效
环己烯酮衍生物,它们的制备及其用于控制​​不期望的植物生长的用途

Cyclohexenone derivatives, their preparation and their use for
controlling undesirable plant growth
摘要:
Cyclohexenone derivatives of the formula ##STR1## where R.sup.1 is alkyl, alkenyl, alkynyl, haloalkyl or haloalkenyl, alkoxyalkyl, unsubstituted or substituted cycloalkylmethyl, unsubstituted or substituted benzyl, or is a 5-membered heterocyclic ring which is bonded to the oxygen via a methylene unit,R.sup.2 is alkyl, R.sup.3 is hydrogen, alkylcarbonyl, alkenylcarbonyl, unsubstituted or substituted benzoyl, trialkylsilyl, alkyl- or arylsulfonyl, dialkylphosphono or -thiophosphono, or an organic or inorganic cation,R.sup.4 is unsubstituted or substituted alkyl, alkenyl or alkynyl, or unsubstituted or substituted cycloalkyl, andY is hydrogen, methoxycarbonyl, cyano, alkyl or halogen, and herbicides containing these compounds.
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