Broad-spectrum bactericidal low-toxicity low-residue growth-promoting prothioconazole manganese-zinc compound and composition thereof

A technology of prothioconazole manganese zinc and prothioconazole, applied in the field of pesticides

Pending Publication Date: 2020-08-21
刘力
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] So far, there is no prothioconazole manganese zinc compound and its preparation method and application disclosed in the literature both

Method used

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  • Broad-spectrum bactericidal low-toxicity low-residue growth-promoting prothioconazole manganese-zinc compound and composition thereof
  • Broad-spectrum bactericidal low-toxicity low-residue growth-promoting prothioconazole manganese-zinc compound and composition thereof
  • Broad-spectrum bactericidal low-toxicity low-residue growth-promoting prothioconazole manganese-zinc compound and composition thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1A

[0113] Embodiment 1-1A prothioconazole mancozeb [(C 14 h 14 Cl 2 N 3 OS) 2 (Mn) 0.5 (Zn) 0.5 ] preparation

[0114] At room temperature, add 3.443g of prothioconazole (0.01mol) to a 250ml flask, add 20ml of water, stir, add an appropriate amount of 5% aqueous sodium hydroxide solution, stir until just completely dissolved, then add manganese sulfate monohydrate (0.005mol) 0.845g and 1.438g of zinc sulfate heptahydrate (0.005mol) dissolved in an appropriate amount of water, add 10ml of ethanol, stir at about 40°C for half an hour, take it out and let it cool, filter with suction, wash the solid with a small amount of water until there is no sulfate ion, pump Filtration, the obtained solid was diluted and dried in vacuum at about 80°C for about 5 hours to obtain 3.1 g of brownish gray solid; melting point: discoloration at about 142°C; theoretical value of elemental analysis: C45.04%, H 3.78%, N11.26%, Cl 18.99% , S 8.59%; measured value: C44.96%, H 3.83%, N 11.21%, Cl 18...

Embodiment 1-2A

[0115] Embodiment 1-2A prothioconazole mancozeb [(C 14 h 14 Cl 2 N 3 OS) 2 (Mn) 0.5 (Zn) 0.5 ] Preparation of 2 hydrate

[0116] At room temperature, add 6.886g of prothioconazole (0.02mol) to a 250ml flask, add 30ml of water, stir, add an appropriate amount of 5% aqueous sodium hydroxide solution, stir until just completely dissolved, then add manganese sulfate monohydrate (0.01mol) 1.69g and 2.876g of zinc sulfate heptahydrate (0.01mol) dissolved in an appropriate amount of water, add 10ml of ethanol, stir at about 35°C for 0.5h, take it out and let it cool, filter with suction, wash the solid with a small amount of water until there is no sulfate ion, filter with suction , the obtained solid was diluted and air-dried at about 50°C for about 4 hours to obtain 6.0g of brownish gray solid; melting point: discoloration at about 141°C; moisture measured by Karl Fischer method was 4.57%; thermal analysis: weight loss on the platform was about 4.66% (see attached figure 1 )...

Embodiment 1-3A

[0117] Embodiment 1-3A prothioconazole mancozeb [(C 14 h 14 Cl 2 N 3 OS) 2 (Mn) 0.8 (Zn) 0.2 ] preparation

[0118] At room temperature, add prothioconazole (0.02mol) 6.886g in a 250ml flask, add water 30ml, stir, add 5% sodium hydroxide solution, stir to make the solid just dissolve, then add manganese sulfate monohydrate (0.008mol) 1.352 g and 0.576g of zinc sulfate heptahydrate (0.002mol) dissolved in an appropriate amount of water, add 10ml of ethanol, stir at about 40°C for 0.5h, take it out and let it cool, filter with suction, wash the solid with a small amount of water and ethanol until there is no sulfate ion, Suction filtration, the obtained solid was diluted and dried in vacuum at about 85°C for about 4 hours to obtain 5.2g of brownish gray solid; melting point: discoloration at about 150°C; theoretical value of elemental analysis: C45.23%, H 3.80%, N11.30%, Cl 19.07 %, S 8.63%; measured value: C45.31%, H 3.87%, N 11.24%, Cl 18.99%, S8.75%; content analysis (...

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PUM

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Abstract

Compared with a single preparation, a broad-spectrum bactericidal low-toxicity low-residue growth-promoting prothioconazole manganese-zinc compound or complex provided by the invention has the advantages that when the compound or complex is applied to crops, sterilization is achieved, and meanwhile manganese and zinc are supplemented. Compared with compounding, the compound is accurate in preparation content, convenient to apply, easy to prepare, lower in energy consumption, more environmentally friendly, better in storage stability or prevention and treatment effect and the like, and tediouspreparation processes are reduced. The compound is suitable for preparing a composition containing the compound and pesticides for preventing and treating various bacterial and fungal diseases on crops and/or promoting the health or growth and development of the crops, or is applied to medicaments in the fields of protecting industrial materials from being invaded by germs and the like.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular, it provides a new compound or compound of prothioconazole mancozeb, which is broad-spectrum bactericidal, low-toxic and low-residue, and promotes crop growth, as well as its composition, preparation and application. Background technique [0002] Prothioconazole (English name prothioconazole, molecular formula C 14 h 15 Cl 2 N 3 OS, CAS number: 178928-70-6, molecular weight 344.259). Prothioconazole has low toxicity, no teratogenicity and mutagenicity, no toxicity to embryos, and is safe to humans and the environment. Its mechanism of action is to inhibit the demethylation of the 14-position of lanosterol or 2,4-methylenedihydrolanosterol, the precursor of sterol in fungi. Prothioconazole not only has good systemic properties, excellent protective, therapeutic and eradicating properties, but also has a long lasting effect. Through a large number of field drug efficacy tests...

Claims

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Application Information

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IPC IPC(8): C07D249/12A01N43/653A01P1/00A01P3/00
CPCC07D249/12A01N43/653A01N59/16
Inventor 刘力
Owner 刘力
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