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Studies on Synthesis and Properties of Aryl Arylacylamino Cyano-Acrylates with Biological Activities

Author: LiuYang
Tutor: HeHongWu；LiuAiPing
School: Central China Normal University
Course: Pesticides
Keywords: 2 - cyano - ethyl acrylate Amide Pyrazole ring Synthesis Biological activity
CLC: TQ450
Type: Master's thesis
Year: 2007
Downloads: 97
Quote: 0
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Abstract


In recent years , 2 - cyanoacrylate compounds in pesticides has been widely applied. As the novel mechanism of these compounds , and environmentally friendly pesticide research at home and abroad , and has become one of the important direction . This paper mainly uses the idea of similar synthetic and random synthesis , design and synthesis of a new cyanoacrylate ester compounds of the two series , the main contents of the study are as follows : 1 . Comprehensive and systematic summary of the herbicidal activity , insecticidal and fungicidal biological activity of 2 - Cyanoacrylate progress , and created process , mechanism of action , structure-activity relationships and synthetic methods were introduced . 2. This paper designs and synthesis the Ⅰ in 1 - the Ⅰ 22 the acrylic esters compounds ( 22 ) phenyl benzoyl amine- cyano and Ⅱ 1 - Ⅱ 10 (10 unit) aryl aryl a formamido- cyano acrylic esters . And study their spectral properties , biological activity , structure and activity relationship . 3. The synthesized 22 Methylene benzamido cyanoacrylate compound (Ⅰ 1 - Ⅰ 22 ) and 10 phenylpyrazole amide group cyano acrylates compounds ( II , 1 - II 10 < / sub >) were insecticidal, fungicidal and herbicidal bioassay , preliminary test results show that some of the compounds show significant biological activity . Ⅱ concentration of 25mg / L , 1 showed bactericidal activity of more than 90% of the Fusarium graminearum ; concentration of 25mg / L , I 22 of rice blast fungus showed more than 50% of the bactericidal activity ; Ⅱ 1 , the Ⅱ 3 < / sub> on Rice Nephotettix cincticeps insecticidal activity close to or reach such as in a concentration of 500mg / L , 80% Ⅰ 11 in Ⅰ 22 < / sub > on the insecticidal activity of the aphids close to 50% .

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