Abstract: Conventional control agents against acarians parasitic on animals do not have sufficient selective toxicity and are hence not safe for the animals to which the control agents are applied. The control agents are not always satisfactory also in control effect and quick-acting properties. Intensive studies were made on the insecticidal activity of N-substituted indole compounds against acarians and on the safety thereof for mammals including pets. As a result, it was found that an N-substituted indole derivative, e.g., 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-(trifluoromethylthio)indole, or 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-(dichlorofluoromethylthio)indole, has high insecticidal activity and quick-acting properties and is lowly toxic to mammals including pets.

Abstract: Conventional control agents against fleas parasitic on animals do not have sufficient selective toxicity and are hence not safe for the animals to which the control agents are applied. The control agents are not always satisfactory also in control effect and quick-acting properties. Intensive studies were made on the insecticidal activity of N-substituted indole compounds against fleas and on the safety thereof for mammals including pets. As a result, it was found that an N-substituted indole derivative, e.g., 1-(3-chloro-5-trifluoromethylpyridin 2-yl)-3-(dichlorofluoromethylthio)indole, 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-(dichlorofluoromethylthio)-indole, or 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-(trifluoromethylthio)indole, has high insecticidal activity and quick-acting properties and is lowly toxic to mammals including pets.

Abstract: Conventional control agents against acarians parasitic on animals do not have sufficient selective toxicity and are hence not safe for the animals to which the control agents are applied. The control agents are not always satisfactory also in control effect and quick-acting properties. Intensive studies were made on the insecticidal activity of N-substituted indole compounds against acarians and on the safety thereof for mammals including pets. As a result, it was found that an N-substituted indole derivative, e.g., 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-(trifuloromethylthio)indole, or 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-(dichlo-rofluoromethylthio)indole, has high insecticidal activity and quick-acting properties and is lowly toxic to mammals including pets.

Abstract: Three processes are described for preparing (hetero)aromatic substituted benzene derivatives which comprise aromatization of cyclohexenone derivatives via (chloro)cyclohexadiene derivatives.

Abstract: Three processes are described for preparing (hetero)aromatic substituted benzene derivatives which comprise aromatization of cyclohexenone derivatives via (chloro)cyclohexadiene derivatives.

Abstract: Three processes are described for preparing (hetero)aromatic substituted benzene derivatives which comprise aromatization of cyclohexenone derivatives via (chloro)cyclohexadiene derivatives.

Abstract: The present invention can provide a process for the preparation of an 1-acyl-2-substituted hydrazine compound from a mixture containing the 1-acyl-2-substituted hydrazine and an 1-acyl-1-substituted hydrazine by selective hydrolysis or alcoholysis of the 1-acyl-yl-1-substituted hydrazine in the presence of an acid catalyst, and by separation of the resulting carboxylic acid and derivative thereof.The 1-acyl-2-alkyl hydrazine obtained has a high purity.

Abstract: A novel hydrazine derivative and a pesticidal composition containing the hydrazine derivative as the effecting ingredient. The hydrazine derivative show high pesticidal activity against harmful pests which are resistant to known pesticides such as organophosphorus pesticides, pyrethroids, etc., especially against Lepidoptera harmful pests such as Plutella xylostella, Spodoptera litura, Cnaphalocrocis medinalis, Adoxophyes orana, etc., and is effective for controlling harmful pests in paddy field, upland field, orchard, forest or places to be kept environmentally hygienic.

Abstract: A novel hydrazine derivative and a pesticidal composition containing the hydrazine derivative as the effecting ingredient. The hydrazine derivative show high pesticidal activity against harmful pests which are resistant to known pesticides such as organophosphorus pesticides, pyrethroids, etc., especially against Lepidopters harmful pests such as Plutella xylostella, Spodoptera litura, Cnaphalocrocis medinalis, Adoxophyes orana, etc., and is effective for controlling harmful pests in paddy field, upland field, orchard, forest or places to be kept environmentally hygienic.