| 摘要 |
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 - 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, NO2, CN, group of formula V, formula VI (W is halogen, alkyl, NO2, etc.; m is 0-5), etc.; n is 0-5]. EXAMPLE:2-t-Butyl-4-chloro-5-(4'-chlorophenoxymethylthio)-3(2H)-pyrida zinone. 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)].
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