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Application of n,n-Dimethylhydrogenated Nobamide as Insect Repellant
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A technology of dimethylhydrogenated nobamide and insect repellant, which is applied in the direction of animal repellent, application, pest repellant, etc., and can solve many problems such as
Inactive Publication Date: 2016-05-04
JIANGXI AGRICULTURAL UNIVERSITY
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However, judging from the overall development of terpenoid repellents at present, relevant research mainly focuses on the development of preparations, and there are not many research reports on the synthesis of new varieties of terpenoids with repellent effects. Therefore, the synthesis of hydrogenated β-pinene Nopol and its derivatives are a direction worthy of further research and development
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Embodiment 1
[0015] Embodiment 1N, the test of N-dimethylhydrogenated nobamide to ant repelling effect
[0016] Dilute N,N-dimethylhydrogenated nobamide with absolute ethanol to a series of concentrations for activity testing, and the test method adopts the buckwheat seed soaking method.
[0017] Select 12 buckwheat seeds with the same individual size and shape, 6 of which are immersed in the absolute ethanol solution of the test substance, and the other 6 are immersed in the absolute ethanol without the test substance.
[0018] After the seeds are taken out and dried, they are respectively placed on both sides symmetrically in a petri dish with a diameter of 9 cm. 6 seeds are arranged in two rows, 3 in each row, and the row spacing is about 0.5 cm, and the distance between the buckwheat seeds is about 0.1 cm. Put 20 small yellow house ant worker ants into the center of the petri dish, observe after 2 minutes, and record the number of times the small yellow house ants passed the control or...
Embodiment 2
[0027] Embodiment 2N, N-dimethylhydrogenated nopolamide is used as the repellent test of cockroach
[0028] N, N-dimethylhydrogenated nopolamide was configured into solutions with different concentrations of 12.5, 25, 50, and 100 (mg / g) with absolute ethanol. The filter paper with a diameter of 9 cm was cut into two pieces on average, one and a half pieces of filter paper were soaked with a certain concentration of N,N-dimethylhydrogenated nobamide solution, and the other half piece of filter paper was used as a control and soaked with absolute ethanol.
[0029] Take out the two and a half pieces of filter paper to dry, smear the edges with solid glue respectively after 5 minutes, and stick them symmetrically on the inner bottom surface of the petri dish with a diameter of 20cm. There is a blank area without filter paper between the two. A 2cm x 2cm square hole, cover with a lid for later use.
[0030] Introduce one Blattella germanica into the blank area of the petri dish,...
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Abstract
The invention relates to an application of N,N-dimethyl hydrogenated nopyl amide as an insect repellant, which comprises an application of N,N-dimethyl hydrogenated nopyl amide as ant and cockroach repellants. The biological measurement result displays that N,N-dimethyl hydrogenated nopyl amide with 50mg / g concentration has 72% of repellent rate to monomorium pharaonis, and N,N-dimethyl hydrogenated nopyl amide with 100mg / g concentration has 100% of repellent rate to monomorium pharaonis; in on-site tests, N,N-dimethyl hydrogenated nopyl amide has good effect; and the N,N-dimethyl hydrogenated nopyl amide with 100mg / g concentration has 69% of repellent rate to cockroach.
Description
technical field [0001] The invention relates to the application of N,N-dimethylhydrogenated nobamide as an insect repellent, which belongs to the field of pest control. Background technique [0002] At present, people's methods of preventing and controlling vector insects mainly contain two kinds: the one is to use insecticides, and the other is to use repellants, and repellents can better avoid these deficiencies. However, long-term use of insecticides is prone to drug resistance, high toxicity, and serious environmental pollution. Repellents are more commonly used in the prevention and control of sanitary pests. For people who often move in the wild, using repellents is an important means of protection. In the study of repellents, plant-derived terpenoids have attracted people's attention due to their low toxicity and low irritation. [0003] In the early 1950s, McCabe in the United States synthesized DEET (N, N-diethyl-3-methylbenzamide, or DEET), and used it for the co...
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