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Use of a class of dihydrothiazole compounds as agricultural fungicides

A technology for agricultural fungicides and dihydrothiazoles, applied in the application field of dihydrothiazole compounds as agricultural fungicides

Inactive Publication Date: 2015-08-19
吴文君 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no report that this type of compound has bactericidal activity against agricultural bacterial diseases.

Method used

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  • Use of a class of dihydrothiazole compounds as agricultural fungicides
  • Use of a class of dihydrothiazole compounds as agricultural fungicides
  • Use of a class of dihydrothiazole compounds as agricultural fungicides

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Antibacterial activity of the dihydrothiazole compounds of formula (I) of the present invention

[0015] Determination of 2-(o-hydroxyphenyl)-4-hydroxymethyl-4,5-dihydrothiazole on cabbage soft rot (Erwina carotovora), kiwifruit canker (Pseudomonas syringaePv. actinidiae), rice white leaf Bacteriostatic activity of five tested bacteria, Xanthomonas oryzae, Clavibacter michiganensis subsp.sepedonicus, and Xanthomonas Campestris pv.citri. All strains were purchased from China General Microorganism Culture Collection Center.

[0016] Pick 4-5 test colonies with the same shape from the culture plate with an inoculation loop, insert them into Mueller-Hinton broth medium, cultivate them at 35°C until slightly turbid, then transfer them to 0.9% normal saline, adjust to wheat Turbidity 0.5 (to make its absorbance at 650nm wavelength 0.020, which is equivalent to 1.5×10 8 CFU / ml), and then diluted 200 times with Mueller-Hinton broth medium, the inoculum amount was equivalent t...

Embodiment 2

[0021] Antibacterial activity of the dihydrothiazole compounds of formula (I) of the present invention

[0022] Determination of 2-(o-hydroxyphenyl)-4-fluoromethyl-4,5-dihydrothiazole on cabbage soft rot (Erwina carotovora), kiwifruit canker (Pseudomonas syringaePv. actinidiae), rice white leaf Bacteriostatic activity of five tested bacteria, Xanthomonas oryzae, Clavibacter michiganensis subsp.sepedonicus, and Xanthomonas Campestris pv.citri. All strains were purchased from China General Microorganism Culture Collection Center.

[0023] Pick 4-5 test colonies with the same shape from the culture plate with an inoculation loop, insert them into Mueller-Hinton broth medium, cultivate them at 35°C until slightly turbid, then transfer them to 0.9% normal saline, adjust to wheat Turbidity 0.5 (to make its absorbance at 650nm wavelength 0.020, which is equivalent to 1.5×10 8 CFU / ml), and then diluted 200 times with Mueller-Hinton broth medium, the inoculum amount was equivalent to...

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Abstract

The invention relates to an application of a thiazoline compound as agricultural bactericide. The chemical structural formula of the thiazoline compound is as shown in a formula (I) in specifications.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to the application of a class of dihydrothiazole compounds as agricultural fungicides. technical background [0002] Known 4,5-dihydrothiazole compounds have a variety of important biological activities, including anti-tumor activity, anti-proliferation activity, stimulation of nerve tissue activity, anti-HIV activity, anti-methicillin-resistant Staphylococcus aureus (methicillin -resistant Staphylococcus aureus) activity against Staphylococcus albus, Pseudomonas fluorescens, Bacillus subtilis. Erwinia herbicola (Erwinia herbicola) and so on also have a certain inhibitory effect. However, there is no report that such compounds have bactericidal activity against agricultural bacterial diseases. [0003] In the process of screening agricultural fungicides, we chemically synthesized a series of dihydrothiazole compounds, and found that the compounds represented by f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/78A01P1/00
Inventor 吴文君张继文
Owner 吴文君