| 摘要 |
Title cpds. of formulae (I) and (II): (where R1 is alkyl, alkoxy or phenyl; R2 is alkyl; R3 is H, alkyl, alkenyl, alkynyl, phenyl, benzyl, phenoxy, alkoxy, alkoxycarbonyl or carbamoyl, and X is O or S) are pesticides, e.g. anthelmintics, virucides, molluscicides, bacteriostatics and, esp., antifungals, insecticdes, acaricides and nemotocides; some are also plant-growth regulators, abscission agents and defoliants, and are prepd. by reacting a cpd. of formula (III) or (IV) with a halide of formula (V): (where Hal is Cl or Br). |
