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Broad-spectrum sterilization, low-toxicity and growth-promoting thiophanate-methyl metal compound and composition thereof

A technology of thiophanate-methyl and metal complexes, applied in the field of pesticides, can solve the problems of large dosage, waste of resources, multi-process preparation production, etc., achieve odor reduction, reduce manufacturing costs and costs, and facilitate operability Effect

Pending Publication Date: 2020-09-08
刘力
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] So far, there is no public literature at home and abroad to report thiophanate-methyl copper or manganese or zinc or tin compounds and their preparation and use, but it is necessary to supplement copper or manganese or zinc fungicides in agricultural and forestry production. At present, methyl Thiophanate and thiazole zinc are manufactured into compound preparations for market use, which not only uses a large dosage, but also requires many steps in the production of preparations, resulting in waste of resources

Method used

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  • Broad-spectrum sterilization, low-toxicity and growth-promoting thiophanate-methyl metal compound and composition thereof
  • Broad-spectrum sterilization, low-toxicity and growth-promoting thiophanate-methyl metal compound and composition thereof
  • Broad-spectrum sterilization, low-toxicity and growth-promoting thiophanate-methyl metal compound and composition thereof

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Experimental program
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Effect test

Embodiment 2

[0126] The powder X-ray diffraction pattern corresponding data of embodiment 2

[0127]

[0128]

Embodiment 1-1

[0130] The preparation of embodiment 1-1A thiophanate-methyl copper 0.5 hydrate

[0131] At room temperature, add 6.848g of thiophanate-methyl (0.02mol) to a 250ml flask, add 40ml of water, stir, add 8% sodium hydroxide solution, stir to dissolve the solid, then add copper sulfate pentahydrate (0.02mol) 4.994g solution dissolved in an appropriate amount of water, stirred at about 38°C for 0.4h, taken out and left to cool, filtered with suction, washed the solid with a small amount of water until the filtrate was free of sulfate ions, filtered with suction, and the obtained solid was diluted and air-dried at about 55°C for about 3h. Obtain 6.9g of green solid; Melting point: greater than 180°C; Karl Fischer's method measures moisture to be 6.40%; Thermal analysis: platform weight loss is about 2.07% (see attached figure 1 ), with a corresponding endothermic peak (DTA) under the weightless platform; infrared spectrum (v KBr max cm -1 ) (see attached figure 2 ):3436.7,3332....

Embodiment 1-2

[0132] The preparation of embodiment 1-2A thiophanate-methyl copper

[0133] At room temperature, add 6.848g of thiophanate-methyl (0.02mol) to a 250ml flask, add 40ml of water, stir, add 8% sodium hydroxide solution, stir to dissolve the solid, then add copper sulfate pentahydrate (0.02mol) 4.994g solution dissolved in appropriate amount of water, stirred at about 38°C for 0.4h, added 10ml of ethanol, took it out and let it cool, filtered with suction, washed the solid with a small amount of water until the filtrate was free of sulfate ions, filtered with suction, diluted the obtained solid and dried in vacuum at about 85°C About 5h, 6.7g of green solid was obtained; melting point: greater than 180°C; infrared spectrum (v KBr max cm -1 ):3432.5,3330.2,3192.1,3064.1,3006.8,2951.7,1727.3,1660.4,1595.4,1558.1,1519.2,1451.5,1361.7,1328.2,1250.4,1168.9,1104.1,1039.7,910.5,871.9,763.6,729.2,690.5,665.1, 598.2; content (HPLC) thiophanate-methyl ion: 78.86%; elemental analysis: t...

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Abstract

Compared with a single compound or complex, a broad-spectrum sterilization, low-toxicity, low-residue and growth-promoting thiophanate-methyl series copper-manganese-zinc compound or complex has the advantages of sterilization, supplement of copper or manganese or zinc and the like when applied to crops, reduction of tedious preparation processes, convenience in application, easiness in preparation, better stability or prevention and treatment effects and the like; the thiophanate-methyl series copper-manganese-zinc compound or complex is suitable for preparing a composition containing the compound or complex and pesticides for preventing and treating various bacterial and fungal diseases or pests on crops and / or promoting the health or growth and development of the crops, or is applied tomedicaments in the fields of protecting industrial materials from being damaged by germs and the like.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular, it provides a novel thiophanate-methyl compound or complex, a composition thereof, preparation and application thereof, which are broad-spectrum bactericidal, low-toxic and low-residue, and promote crop growth. Background technique [0002] Thiophanate-methyl (molecular formula C 12 h 14 N 4 o 4 S 2 , CAS No.: 23564-05-8, molecular weight 342.394), chemical name is 1,2-bis(3-methoxycarbonyl-2-thioureido)benzene, which belongs to broad-spectrum, systemic benzimidazole bactericidal It has the functions of prevention and treatment. It is first converted into carbendazim in plants, and then interferes with the formation of the spindle in the mitosis of bacteria, thereby affecting cell division. It has a wide bactericidal spectrum and has apical conduction function, which has preventive and therapeutic effects on various diseases, and has inhibitory effects on spider mites and p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/34A01N43/54A01N43/653A01N47/24A01N55/10A01N43/16A01N47/18A01N47/12A01N43/88A01N37/46A01N43/36A01N43/56A01N51/00A01N31/02A01N43/22A01P1/00A01P3/00A01P7/02A01P7/04
CPCA01N47/34A01N43/54A01N43/653A01N47/24A01N55/00A01N43/16A01N47/18A01N47/12A01N43/88A01N37/46A01N43/36A01N43/56A01N51/00A01N31/02A01N43/22
Inventor 刘力
Owner 刘力
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