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New composition with characteristics of broad-spectrum sterilization, no pollution and growth promoting, and composition thereof

A compound and fungicide technology, applied in the field of pesticides, to achieve good sliding properties, good industrialization value or pesticide value, and the effect of being beneficial to the manufacture of formulations

Pending Publication Date: 2020-03-31
刘力
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] So far, there is no published literature at home and abroad to report the novel phyllocyanine dizinc compound of the present invention with better stability, such as phytophyllocyanine dizinc V-type crystalline compound, i.e. neophyteocyanine dizinc crystalline hydrate with different molecular formulas or different crystal forms and its preparation method and use

Method used

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  • New composition with characteristics of broad-spectrum sterilization, no pollution and growth promoting, and composition thereof
  • New composition with characteristics of broad-spectrum sterilization, no pollution and growth promoting, and composition thereof
  • New composition with characteristics of broad-spectrum sterilization, no pollution and growth promoting, and composition thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0158] The preparation of embodiment 1 Phyllostachys dizinc monohydrate (v type compound)

[0159] At room temperature, add 8.352g of Yeqingshuang into a 250ml flask, add 50ml of water, stir, add 20ml of an aqueous solution of 2.5g of sodium hydroxide, stir, then add 30ml of an aqueous solution of 8.62g of zinc sulfate heptahydrate, and stir at about 40°C for half a hour, place at room temperature for half an hour, filter with suction, wash the solid with a small amount of water, and filter with suction, the obtained solid is diluted and air-dried at about 50°C for about 4 hours, and 7.82g of off-white solid is obtained; The HPLC retention time of product is consistent; Karl Fischer's method measures moisture to be 5.09%, thermal analysis: platform weight loss is about 5.32% (see attached figure 1 ), has corresponding endothermic peak (DTA) under the weight loss platform before about 155 ℃, and this and sample contain 1 crystal water result (theoretical value 5.01%) in error ra...

Embodiment 2

[0160] The preparation of embodiment 2 Yeqing dizinc 1 hydrate

[0161] In a 500ml flask, add 8.352g of Yeqingshuang, add 40ml of water, stir, add dropwise 2.56g of sodium hydroxide (dissolved in 20ml of water) aqueous solution, stir for 30 minutes, then add 30ml of aqueous solution of 8.62g of zinc sulfate heptahydrate, at 40°C Stir for half an hour, place at room temperature for half an hour, filter with suction, wash the solid with a small amount of water, filter with suction, wash with a small amount of water twice, filter with suction, dilute the obtained solid at about 45°C for 1 hour, and then dry at about 50°C for about 5 hours , to obtain off-white solid 8.16g; HPLC: the main peak retention time of its HPLC is consistent with the HPLC main peak retention time of Yeqing Shuangzinc; Karl Fischer's method measures moisture to be 4.92%, thermal analysis: platform weight loss is about 4.93% (see attached figure 2 ), has a corresponding endothermic peak (DTA) under the wei...

Embodiment 3

[0162] The preparation of embodiment 3 Yeqing dizinc 1 hydrate

[0163] At room temperature, add 8.352g of Yeqingshuang into a 250ml flask, add 50ml of water, stir, add 20ml of an aqueous solution of 2.5g of potassium hydroxide, stir, then add 30ml of an aqueous solution of 5.51g of zinc acetate, and stir at about 40°C for half an hour. Place at room temperature for half an hour, filter with suction, wash the solid with a small amount of water, and filter with suction. The obtained solid is diluted and air-dried at about 50°C for about 4 hours to obtain 8.31 g of off-white solid; The time is consistent; Karl Fischer's method measures moisture to be 4.96%, and thermal analysis: platform weight loss is about 5.12%, has corresponding endothermic peak (DTA) under the weight loss platform before 152 ℃, and this and sample contain the result of 1 crystallization water (theoretical Value 5.01%) is within the error range.

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Abstract

The invention discloses a bismerthiazol zinc v-type compound, which has characteristics of easy preparation, low energy consumption, low hygroscopicity, good storage stability, good safety or effectiveness and the like, further has characteristics of broad-spectrum sterilization and no pollution, and is applicable to preparation of pesticides for preventing and controlling various bacterial and fungal diseases on crops and / or promoting health or growth and development of crops or medicines in the field of protection of industrial materials from being invaded by germs.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to provide novel compounds with better stability of the antibacterial drug Yeqing Dizinc, its agricultural composition, its preparation method and application. Background technique [0002] Yeqing Dizinc, chemical name is N, N'-methylene-bis(2-amino-5-mercapto-1,3,4-thiadiazole) zinc, molecular formula C 5 h 4 N 6 S 4 Zn, molecular weight 341.75, Yeqing Dizinc is a synthetic organic zinc broad-spectrum fungicide, which has multiple functions such as systemic absorption, conduction, prevention, protection, and treatment, and its therapeutic effect is greater than its protective effect. A new generation of high-efficiency, low-toxicity, broad-spectrum fungicides have good control effects on bacterial and fungal diseases, and can be widely used in the control of various bacterial and fungal diseases of crops. Among them, the main control targets include: rice Bacterial spot dise...

Claims

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Application Information

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IPC IPC(8): C07D285/135A01N43/824A01N55/10A01P3/00A01P1/00A01P21/00A01N43/54A01N43/653A01N47/24A01N43/16A01N37/46A01N37/24A01N43/56A01N43/78A01N43/90A01N47/12A01N43/80A01N43/84A01N37/34A01N37/50A01N43/88A01N43/36A01N43/46
CPCC07D285/135A01N43/82A01N43/54A01N43/653A01N47/24A01N55/00A01N43/16A01N37/46A01N37/24A01N43/56A01N43/78A01N43/90A01N47/12A01N43/80A01N43/84A01N37/34A01N37/50A01N43/88A01N43/36A01N43/46
Inventor 刘力
Owner 刘力
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