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Teraconic acid imide derivative and herbicide containing said derivative as active ingredient

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专利汇可以提供Teraconic acid imide derivative and herbicide containing said derivative as active ingredient专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:An N-substituted phenyl-teraconic acid imide derivative expressed by formula I (X is H, F or Cl; R
1 is H or lower alkyl; R
2 and R
3 are H, alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl, alkoxycarbonylalkyl, cycloalkyl, hydroxyalkyl, cyanoalkyl, aryl, aralkyl or heterocyclic ring which may contain O in NR
2 R
3 ).
EXAMPLE: N-{5-[ 1-( sec-Butylcarbamoyl )ethylamino ]-4-chlorophenyl}-teraco nic acid imide.
USE: A highly selective herbicide having improved selectivity of imide based herbicides for cultivated crops.
PREPARATION: A compound expressed by formula V (Z is halogen) is reacted with a compound expressed by formula VII (Z is halogen) in the presence of a basic compound, e.g. NaHCO
3 , etc., as necessary, further in the coexistence of a solvent and/or an iodide, e.g. NaI, etc., at 50W250°C to afford the aimed compound expressed by formula I.
COPYRIGHT: (C)1987,JPO&Japio,下面是Teraconic acid imide derivative and herbicide containing said derivative as active ingredient专利的具体信息内容。

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