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Compound containing aromatic ether and ditriazole and use thereof

A technology of aryl ether bistriazoles and compounds, which is applied in the field of metal salt complexes, aryl ether bistriazole-containing compounds and their acid addition salts, and can solve serious disease resistance, phytotoxicity, and loss of high efficiency etc. to achieve high biological activity and low production cost

Active Publication Date: 2007-03-07
HANGZHOU UDRAGON CHEMICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But on the other hand, triazole fungicides are systemic fungicides with a single action mechanism and action site. After long-term and frequent use, the disease has developed serious drug resistance, and many varieties have lost their original properties due to resistance problems. Some efficiency
For example, triadimefon is used to control strawberry powdery mildew, and the control effect is low if the dosage is small. If the dosage is large, it will easily cause phytotoxicity and inhibit the growth of strawberries.

Method used

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  • Compound containing aromatic ether and ditriazole and use thereof
  • Compound containing aromatic ether and ditriazole and use thereof
  • Compound containing aromatic ether and ditriazole and use thereof

Examples

Experimental program
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Embodiment I

[0049] Example I: α-(2-chloro-4-(4-chlorophenoxy)phenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-1H-1, Preparation of 2,4-triazol-1-ylethanol

[0050] 2-Bromo-1-(2-chloro-4-(4-chlorophenoxy)phenyl)ethanone

[0051] Add 280g (1.0mol) 2-chloro-4-(4-chlorophenoxy) acetophenone and 200mL cyclohexane into a 500mL four-necked bottle, stir at room temperature, add 192g (1.2mol) bromine dropwise, first add 2 ~3 drops, the solution turns red, after the red color fades, add the remaining bromine dropwise, control the rate of addition, and drop it in about 3 hours. Maintain the reaction temperature and continue to stir for 2h until the color fades to stop the reaction. Pour the reaction solution into a 500mL separatory funnel, wash with water, remove the water layer, wash repeatedly until the organic phase is neutral, separate the organic phase, and dry overnight with anhydrous magnesium sulfate. Magnesium sulfate was filtered off, and cyclohexane was distilled off under reduced pressure to o...

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Abstract

The invention discloses a diribavirin compound with aromatic ether and application, which possesses structural formula as formula (I) or antimer of formula (I), wherein R1, R2, R3, R4, R5, R6 is hydrogen, C1-4, trifluoromethyl, methoxyl, nitro group or halogen; the C1-4 alkyl is methyl, ethyl, propyl, isopropyl, butyl, isobutyl, parabutyl or tert-butyl group; the atom is F, Cl, Br or I; the compound displays strong fungi inhibiting activity, which can prepare fungi inhibitor.

Description

technical field [0001] The invention relates to the field of fungicides for agriculture and forestry, in particular to a compound containing aryl ether bistriazoles and its acid addition salt, metal salt compound, its preparation method and its use as a fungicide for agriculture and forestry in the prevention and treatment of fungal diseases in agriculture and forestry Uses above. Background technique [0002] The harmful organisms that harm animals and plants and make them disease are mainly fungi, bacteria and viruses. For plants, the main diseases of plants are fungal diseases. The vast majority of commercialized bactericidal and disease-preventing agents are fungicides, only a handful of bactericides, and very few antiviral agents. One of the factors is that fungal diseases are widespread, causing the greatest damage and loss. Among the numerous fungal disease control agents, triazole fungicides are typical types of fungicides. In the past 30 years, triazole fungicid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D249/08A01N43/653A01P3/00
Inventor 许良忠吴华龙胡志强朱琪于观平毕文照
Owner HANGZHOU UDRAGON CHEMICAL CO LTD
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