| abstract |
Dihalopropene compound of the following formula (I) useful as an active ingredient of an insecticidal / caricide:n n n [Formula I]n n n n n n n n [Wherein R 1 is substituted alkyl;n n n R 2 , R 3 and R 4 are each independently halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro or cyano;n n n A is O, S (O) t or NR 14 , wherein R 14 is H or alkyl and t is 0 to 2;n n n B is substituted alkylene, alkenylene or alkynylene;n n n r is 0 to 2;n n n Each X is independently halogen;n n n Y is O, S or NH;n n n Z is O, S or NR 25 , wherein R 25 is H, acetyl or alkyl. |