申请人:FMC Corporation
公开号:US04692182A1
公开(公告)日:1987-09-08
Isoxazolidinones of the following formula are herbicides: ##STR1## or an agriculturally acceptable salt thereof in which R.sub.1 and R.sub.2 are independently selected from -hydrogen and-halogen; and R.sub.3 is of the formula ##STR2## wherein n is 0 or 1, and when n is 0, W is selected from -hydrogen, -lower alkyl, -lower haloalkanoyl, and -benzoyl; X is selected from -hydrogen and -lower alkyl; and Y is selected from -hydrogen, -lower alkyl, -cycloalkyl, -lower alkanoyl, -lower haloalkanoyl, -benzoyl, -2-nitro-5-(2-chloro-4-trifluoromethylphenoxy)benzoyl, -2,4-dichlorophenoxyacetyl, -lower alkyloxycarbonyl, -lower alkyloxycarbonyl, -lower alkylaminocarbonyl, -phenylaminocarbonyl, and -lower alkylthiocarbonyl; or W and X together constitute a chemical bond; and Y is selected from -nitrogen and -lower alkyloxycarbonyl; and when n is 1, X and Z together constitute a chemical bond; W is -hydrogen; V is selected from -hydrogen and -lower alkyl; and Y is selected from -lower alkyl, -phenyl, -carboxyl, and -lower alkyloxycarbonyl, or V and Y together are an alkyl chain of 4-6 carbon atoms.
以下化学式的异噁唑啉酮是除草剂:##STR1## 或其农业上可接受的盐,其中R.sub.1和R.sub.2独立地选择自-氢和-卤素;而R.sub.3为以下式子:##STR2## 其中n为0或1,当n为0时,W选择自-氢,-低碳基,-低卤代烷酰基和苯甲酰基;X选择自-氢和-低碳基;而Y选择自-氢,-低碳基,-环烷基,-低烷酰基,-低卤代烷酰基,-苯甲酰基,-2-硝基-5-(2-氯-4-三氟甲基苯氧基)苯甲酰基,-2,4-二氯苯氧乙酰基,-低烷氧羰基,-低烷氧羰基,-低碳基氨基羰基,-苯基氨基羰基和-低烷基硫氧羰基;或W和X一起构成化学键;而Y选择自-氮和-低烷氧羰基;当n为1时,X和Z一起构成化学键;W为-氢;V选择自-氢和-低碳基;而Y选择自-低碳基,-苯基,-羧基和-低烷氧羰基,或V和Y一起是4-6碳原子的烷基链。