| abstract |
NEW MATERIAL: A compd. of formula I [wherein X to Z are each O or S, or X is NH, CH 2 or CHCH 3 C(CH 3 ) 2 ; R 1 and R 2 are each H, halogen, alkyl, alkoxyl or halogenoalkyl, or R 2 is alkenyl, alkylthio, halogenoalkoxy or halogenoalkylthio, R 3 and R 4 are each H, alkyl, halogenoalkyl, alkoxyalkyl, alkenoxyalkyl, alkenyl or alkynyl, or R 3 , R 4 and adjacent C form together 5 to 7-membered satd. or unsatd. carbon ring; m and n are each 1 or 2; o is 1, 2 or 3; Het is heteroaryl which is not bonded to a remaining group through a hetero atom and which is optionally substituted]. n EXAMPLE: A compd. of formula II. n USE: Agents for controlling insects, particularly fleas. n PROCESS: Compds. of formula I are obtd. by (a) reacting a new substance of formula II with a compd. of formula III (wherein Hal is halogen); (b) reacting a compd. of formula IV with a compd. of formula V; or (c) reacting a compd. of formula I (wherein R 2 is H) with a halogenating agent. n COPYRIGHT: (C)1990,JPO |