| 摘要 |
<p>Compounds of the general formula I wherein R1 represents a methyl or ethyl group, R2 represents a C3-C5-alkyl group, R3 represents a (C1-C4-alkyl)carbonyl, (C1-C4-alkoxy)carbonyl, aminocarbonyl, (C1-C4-alkyl)-aminocarbonyl, di-N-(C1-C4-alkyl)-aminocarbonyl or trihalomethyl group, R4 and R5 independently of one another represent a hydrogen or halogen atom and X represents an oxygen or sulphur atom, with the proviso that when R3 represents alkyl carbonyl or alkoxy carbonyl and R2 represents n-propyl, then X represents sulfur, exhibit valuable pesticidal, in particular insecticidal and acraicidal properties.</p> |
