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2, 4-dioxoimidazoline cyclohexane sulfonamide compound, preparation method and application of 2, 4-dioxoimidazoline cyclohexane sulfonamide compound as fungicide and bactericide

A technology of cyclohexanesulfonamide and dioxoimidazoline, which is applied in the application of bactericides, the synthesis of 2,4-dioxoimidazoline cyclohexanesulfonamide compounds, and the field of fungicides, can solve the problem of Pesticide control effect decline, drug resistance increase and other problems

Active Publication Date: 2020-07-07
SHENYANG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In recent years, with the increase of pesticide resistance due to the extensive use of pesticides, the control effect of different types of pesticides has declined, which forces us to constantly look for new, environmentally friendly and efficient pesticides

Method used

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  • 2, 4-dioxoimidazoline cyclohexane sulfonamide compound, preparation method and application of 2, 4-dioxoimidazoline cyclohexane sulfonamide compound as fungicide and bactericide
  • 2, 4-dioxoimidazoline cyclohexane sulfonamide compound, preparation method and application of 2, 4-dioxoimidazoline cyclohexane sulfonamide compound as fungicide and bactericide
  • 2, 4-dioxoimidazoline cyclohexane sulfonamide compound, preparation method and application of 2, 4-dioxoimidazoline cyclohexane sulfonamide compound as fungicide and bactericide

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Embodiment 1

[0048] The preparation method of N-(2-trifluoromethyl-4-chlorophenyl)-2-oxocyclohexylsulfonamide used in this example has been reported in the literature and is a known compound, so it is not specific here For the description, refer to the Chinese patent whose publication number is CN1900059 and the title of the invention is "2-oxocycloalkylsulfonamide, its preparation method and its use as a fungicide" for the specific synthesis steps.

[0049] The preparation of N-(2-trifluoromethyl-4-chlorophenyl)-N'-ethoxycarbonylmethylcyclohexanesulfonamide in the synthetic route, the specific preparation process is as follows:

[0050]

[0051] The specific preparation process is as follows: connect the synthesis reaction experimental device, feed nitrogen gas in the early stage to drive away the air in the reaction flask, keep the nitrogen gas flowing in, and after feeding nitrogen gas into the reaction device for about 5 minutes, add N to the round bottom flask at room temperature. ...

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Abstract

The invention discloses a 2, 4-dioxoimidazoline cyclohexane sulfonamide compound, which has a structure as shown in the following general formula (1). In the formula, R is selected from any one of C1-C20 alkyl, substituted or unsubstituted benzyl, substituted or unsubstituted phenethyl, 2-thiopheneethyl, 2-pyridylethyl and morpholine-N-ethyl. The 2, 4-dioxoimidazoline cyclohexane sulfonamide compound provided by the invention has an inhibition effect on fungi such as botrytis cinerea, sclerotinia sclerotiorum, phytophthora capsici, rice sheath blight, rice blast and fusarium graminearum, and is used for preventing and treating diseases of the fungi; the compound has an inhibiting effect on bacteria such as cabbage soft rot, citrus ulcer, pepper scab, pear fire blight and tomato ulcer, andis used for preventing and treating diseases.

Description

technical field [0001] The invention belongs to the field of agricultural chemicals, and specifically relates to the synthesis of 2,4-dioxoimidazoline cyclohexanesulfonamide compounds and their application as fungicides and bactericides. Background technique [0002] It is well known that sulfonamide compounds not only have excellent biological activity in the field of medicine, but also have excellent biological activity as agrochemicals. Sulfonamide compounds are widely used in fungicides. The earliest agricultural sulfonamide fungicides were discovered by Mitsui Topress Chemical Industry Co., Ltd. in 1986. Its trade name is flusulfamide. The clubroot of Brassica crops caused by Plasmodium mossica is a new soil fungicide with excellent control effect. Subsequently, more and more new sulfonamide fungicides were developed. Such as tolnifanide, cyazofamid and amisulbrom. The introduction of foreign sulfonamide fungicides has promoted the creation of domestic sulfonamide fu...

Claims

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Application Information

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IPC IPC(8): C07D233/72C07D409/06C07D401/06A01N43/50A01N43/84A01P1/00A01P3/00
CPCC07D233/72C07D409/06C07D401/06A01N43/50A01N43/84Y02A50/30
Inventor 李兴海张珅刘伟何璐王凯纪明山祁之秋沈玉霞
Owner SHENYANG AGRI UNIV
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