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Pyridazinone derivative, production thereof and insecticidal, miticidal, nematocidal and fungicidal agent

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专利汇可以提供Pyridazinone derivative, production thereof and insecticidal, miticidal, nematocidal and fungicidal agent专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:The compound of formula I [R is alkyl; A is halogen, alkoxy or alkylthio; X is O or S; B is CR
1 R
2 or group of formula II W formula IV (R
1 and R
2 are H or alkyl; R
3 is H, halogen, alkyl, CN, etc.); Y is O, S, NR
7 (R
7 is H, alkyl or alkylcarbonyl), CR
3 R
4 or V-CH
1 R
2 (V is O or S); Z is halogen, alkyl, alkenyl, NO
2 , CN, group of formula V, formula VI (W is halogen, alkyl, NO
2 , etc.; m is 0W5), etc.; n is 0W5].
EXAMPLE: 2-t-Butyl-4-chloro-5-(4'-chlorophenoxymethylthio)-3(2H)-pyridazinone.
USE: Insecticidal, miticidal, nematocidal and fungicidal agent.
PREPARATION: The compound of formula I can be produced by reacting the compound of formula VII with the compound of formula VIII [one of X' and X" is halogen and the other is SM or OM (M is H or alkali metal)].
COPYRIGHT: (C)1987,JPO&Japio,下面是Pyridazinone derivative, production thereof and insecticidal, miticidal, nematocidal and fungicidal agent专利的具体信息内容。

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