| 摘要 |
NEW MATERIAL:N-( 2,6-Difluorobenzoyl )-N'-( 4-chloro-3-trifluoromethylphenyl )- 1-imidazolecarboxyamidine of formula I . USE:An insecticide having broad insecticidal spectrum, and effective remarkably to various vermin of Lepidoptera, Coleoptera, Diptera order, etc. It has not only larvicidal and ovicidal activities, but also the activity to kill the egg when applied to imagoes. It has low toxicity to warm-blooded animals, and no residual toxicity. PREPARATION:The compound of formula I can be prepared by reacting the thiourea compound of formula II with diimidazole sulfoxide in an organic solvent at 0-50 deg.C, preferably at 0 deg.C- room temperature.
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