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A process for preparing a novel formulation of sulfentrazone and use of the same

A technology of sulfentralam and refined metolachlor, which is applied in the field of preparation and application of new sulfentrachlor preparations, and can solve problems such as the adverse effects of sulfentralam function and the decrease of sulfentrachlor content

Active Publication Date: 2019-04-02
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Therefore, the content of sulfentrazone decreases over time and the function of sulfentrazone is adversely affected

Method used

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  • A process for preparing a novel formulation of sulfentrazone and use of the same
  • A process for preparing a novel formulation of sulfentrazone and use of the same
  • A process for preparing a novel formulation of sulfentrazone and use of the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Example 1 - Samples were prepared as follows:

[0048] Dissolve sulfentrachlor and purified metolachlor in acetone.

[0049] Table 1

[0050]

Embodiment 19

[0052] An emulsifiable concentrate with the following composition was prepared:

[0053]

[0054]

[0055] Examples 1 to 18 were tested to determine their photolytic stability using the following procedure:

[0056] Add 20 mL of the solution to the quartz tube. The tube is continuously irradiated with UV light from a UV lamp. Aliquots (100 [mu]L) of this solution were removed from the tube at 2 hours and 8 hours. The concentration of sulfentrazone in each aliquot was determined by HPLC.

[0057] The results are summarized in Table 2 below.

[0058] Table 2

[0059]

[0060]

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PUM

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Abstract

A herbicidal composition for applying to a plant to control weeds, and including sulfentrazone with anti-photolysis agent, wherein the anti-photolysis agent is S-metolachlor, is provided. The amount of S-metolachlor to the amount of sulfentrazone is typically in a range of about 2: 1 to about 5: 1. The amount of sulfentrazone is preferably about 10% by weight to about 15.6% by weight, and the amount of S-metolachlor is preferable about 45% by weight to about 50% by weight of the herbicidal composition. The composition can also include a liquid diluent, a solid diluent, a wetting agent, a dispersant, or a thickening agent, and combinations thereof.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to Australian Patent Application No. 2016210751, filed with the Australian Intellectual Property Office on 5 August 2016, entitled "Methods for the preparation of new formulations of sulfentrazone and uses thereof", the entire contents of which are incorporated herein as refer to. technical field [0003] The present invention relates to 2',4'-dichloro-5'-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazole -1-yl) new formulations of methanesulfonylaniline (sulfentrazone) and anti-photolysis agents, their preparation methods and their use in agrochemical formulations. Background technique [0004] 2',4'-dichloro-5'-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazole-1- Base) methanesulfonylanilide (sulfentrazone) is a protoporphyrinogen oxidase inhibitor. The molecular formula of sulfentrazone is C 11 h 10 Cl 2 f 2 N 4 o 3 S. Its chemical structure is: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N37/22A01P13/00
CPCA01N37/22A01N43/653A01N2300/00A01N25/22
Inventor 詹姆斯·蒂莫西·布里斯托
Owner JIANGSU ROTAM CHEM
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