| abstract |
NEW MATERIAL: A compound of formula I [(m) is 0-2; A is an alkanediyl; R 1 is a 5- or 6-membered heterocyclic group which contains 1-4 hetero atoms selected from 1-4 N atoms and/or 1 or 2 O or S atoms and may be substituted; R 2 is H or an alkyl; R 3 is H, a (substituted)alkyl, alkynyl, (substituted)phenyl, etc.; R 4 is (substituted)phenyl, (substituted)naphtyl, imidazolyl, etc.; X is O, S, NR 5 (R 5 is H, an alkyl, phenyl, etc.)]. n EXAMPLE: 1-(2-Chloro-pyridin-5-yl-methyl)-2-[1-nitro-2-(3-chloro-phenylthio)- ethylidene]imidazolidine. n USE: A pest controlling agent, especially insecticide. n PREPARATION: For example, the compound of formula I is obtained by reacting a compound of formula II with an aldehyde compound of formula III or a mercapto compound of the formula, HS-R 4 and as necessary, oxidizing the resultant compound. n COPYRIGHT: (C)1989,JPO |