申请人:Stauffer Chemical Company
公开号:US04249931A1
公开(公告)日:1981-02-10
Substituted N-haloacyl oxazolidines as new compositions of matter useful as active herbicidal antidotes to protect against and decrease crop injury when used with thiolcarbamate herbicides when applied in various methods; improved herbicidal compositions and utility of said compositions to protect against and decrease phytotoxic crop injury when employing thiolcarbamate herbicides, and a two-part herbicide system consisting essentially of a first-part of one or more thiolcarbamate herbicides and a second-part of an effective antidote compound therefor, said antidote compounds of the class 5-substituted 3-acyl oxazolidines having the formula ##STR1## wherein X is oxygen or sulfur and R.sub.1 is alkyl; R is selected from the group consisting of haloalkyl, and alkoxy carboalkyl; R.sub.2 is selected from the group consisting of phenyl, p-chlorophenyl and p-bromophenyl; and R.sub.3 is selected from the group consisting of hydrogen and methyl.
取代的N-卤代酰基噁唑啉作为新的物质组成,当与硫代氨基甲酸酯除草剂一起使用时,可用作活性除草剂解毒剂,以保护作物免受损伤,并减少其损伤,且在应用不同方法时具有改进的除草剂组成和使用效用;当使用硫代氨基甲酸酯除草剂时,用于保护和减少植物毒性作物损伤的除草剂组成的改进和该组成的效用,以及由第一部分由一种或多种硫代氨基甲酸酯除草剂组成的两部分除草剂系统和第二部分有效解毒剂化合物组成,该解毒剂化合物属于5-取代的3-酰基噁唑啉类,具有以下结构式:##STR1## 其中X为氧或硫,R.sub.1为烷基;R选自卤代烷基和烷氧基羰基烷基;R.sub.2选自苯基,对氯苯基和对溴苯基;R.sub.3选自氢和甲基。