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Design, synthesis and fungicidal activity evaluation of novel pyrimidinamine derivatives containing phenyl-thiazole/oxazole moiety.

Identifieur interne : 000544 ( Main/Exploration ); précédent : 000543; suivant : 000545

Design, synthesis and fungicidal activity evaluation of novel pyrimidinamine derivatives containing phenyl-thiazole/oxazole moiety.

Auteurs : Zhongzhong Yan [République populaire de Chine] ; Aiping Liu [République populaire de Chine] ; Yingcan Ou [République populaire de Chine] ; Jianming Li [République populaire de Chine] ; Haibo Yi [République populaire de Chine] ; Ning Zhang [République populaire de Chine] ; Minhua Liu [République populaire de Chine] ; Lu Huang [République populaire de Chine] ; Jianwei Ren [République populaire de Chine] ; Weidong Liu [République populaire de Chine] ; Aixi Hu [République populaire de Chine]

Source :

RBID : pubmed:31160140

Descripteurs français

English descriptors

Abstract

Diflumetorim is a member of pyrimidinamine fungicides that possess excellent antifungal activities. Nevertheless, as reported that the activity of diflumetorim to corn rust (Puccinia sorghi) was not ideal (EC50 = 53.26 mg/L). Herein, a series of novel pyrimidinamine derivatives containing phenyl-thiazole/oxazole moiety were designed based on our previous study and the structural characteristics of diflumetorim, synthesized and bioassayed to discover novel fungicides with excellent antifungal activities. Among these compounds, T18 gave the optimal fungicidal activity, which respectively offers control effects with EC50 values of 0.93 mg/L against P. sorghi and 1.24 mg/L against E. graminis, significantly superior to commercial fungicides diflumetorim, tebuconazole, and flusilazole. Cell cytotoxicity results suggested that compound T18 has lower toxicities than diflumetorim. Furthermore, DFT calculation indicated that the phenyl-thiazole/oxazole moiety plays an unarguable role in the improvement of activity, which will contribute to designing and developing more potent compounds in the future.

DOI: 10.1016/j.bmc.2019.05.029
PubMed: 31160140


Affiliations:


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Le document en format XML

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<term>Alternaria (drug effects)</term>
<term>Antifungal Agents (chemical synthesis)</term>
<term>Antifungal Agents (chemistry)</term>
<term>Antifungal Agents (pharmacology)</term>
<term>Ascomycota (drug effects)</term>
<term>Botrytis (drug effects)</term>
<term>Density Functional Theory (MeSH)</term>
<term>Dose-Response Relationship, Drug (MeSH)</term>
<term>Drug Design (MeSH)</term>
<term>Fungicides, Industrial (chemical synthesis)</term>
<term>Fungicides, Industrial (chemistry)</term>
<term>Fungicides, Industrial (pharmacology)</term>
<term>Gibberella (drug effects)</term>
<term>Microbial Sensitivity Tests (MeSH)</term>
<term>Molecular Structure (MeSH)</term>
<term>Oxazoles (chemistry)</term>
<term>Oxazoles (pharmacology)</term>
<term>Phytophthora (drug effects)</term>
<term>Pyrimidines (chemical synthesis)</term>
<term>Pyrimidines (chemistry)</term>
<term>Pyrimidines (pharmacology)</term>
<term>Structure-Activity Relationship (MeSH)</term>
<term>Thiazoles (chemistry)</term>
<term>Thiazoles (pharmacology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Alternaria (effets des médicaments et des substances chimiques)</term>
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<term>Antifongiques (pharmacologie)</term>
<term>Antifongiques (synthèse chimique)</term>
<term>Ascomycota (effets des médicaments et des substances chimiques)</term>
<term>Botrytis (effets des médicaments et des substances chimiques)</term>
<term>Conception de médicament (MeSH)</term>
<term>Fongicides industriels (composition chimique)</term>
<term>Fongicides industriels (pharmacologie)</term>
<term>Fongicides industriels (synthèse chimique)</term>
<term>Gibberella (effets des médicaments et des substances chimiques)</term>
<term>Oxazoles (composition chimique)</term>
<term>Oxazoles (pharmacologie)</term>
<term>Phytophthora (effets des médicaments et des substances chimiques)</term>
<term>Pyrimidines (composition chimique)</term>
<term>Pyrimidines (pharmacologie)</term>
<term>Pyrimidines (synthèse chimique)</term>
<term>Relation dose-effet des médicaments (MeSH)</term>
<term>Relation structure-activité (MeSH)</term>
<term>Structure moléculaire (MeSH)</term>
<term>Tests de sensibilité microbienne (MeSH)</term>
<term>Thiazoles (composition chimique)</term>
<term>Thiazoles (pharmacologie)</term>
<term>Théorie de la fonctionnelle de la densité (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemical synthesis" xml:lang="en">
<term>Antifungal Agents</term>
<term>Fungicides, Industrial</term>
<term>Pyrimidines</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en">
<term>Antifungal Agents</term>
<term>Fungicides, Industrial</term>
<term>Oxazoles</term>
<term>Pyrimidines</term>
<term>Thiazoles</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr">
<term>Antifongiques</term>
<term>Fongicides industriels</term>
<term>Oxazoles</term>
<term>Pyrimidines</term>
<term>Thiazoles</term>
</keywords>
<keywords scheme="MESH" qualifier="drug effects" xml:lang="en">
<term>Alternaria</term>
<term>Ascomycota</term>
<term>Botrytis</term>
<term>Gibberella</term>
<term>Phytophthora</term>
</keywords>
<keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr">
<term>Alternaria</term>
<term>Ascomycota</term>
<term>Botrytis</term>
<term>Gibberella</term>
<term>Phytophthora</term>
</keywords>
<keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr">
<term>Antifongiques</term>
<term>Fongicides industriels</term>
<term>Oxazoles</term>
<term>Pyrimidines</term>
<term>Thiazoles</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en">
<term>Antifungal Agents</term>
<term>Fungicides, Industrial</term>
<term>Oxazoles</term>
<term>Pyrimidines</term>
<term>Thiazoles</term>
</keywords>
<keywords scheme="MESH" qualifier="synthèse chimique" xml:lang="fr">
<term>Antifongiques</term>
<term>Fongicides industriels</term>
<term>Pyrimidines</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Density Functional Theory</term>
<term>Dose-Response Relationship, Drug</term>
<term>Drug Design</term>
<term>Microbial Sensitivity Tests</term>
<term>Molecular Structure</term>
<term>Structure-Activity Relationship</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr">
<term>Conception de médicament</term>
<term>Relation dose-effet des médicaments</term>
<term>Relation structure-activité</term>
<term>Structure moléculaire</term>
<term>Tests de sensibilité microbienne</term>
<term>Théorie de la fonctionnelle de la densité</term>
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<div type="abstract" xml:lang="en">Diflumetorim is a member of pyrimidinamine fungicides that possess excellent antifungal activities. Nevertheless, as reported that the activity of diflumetorim to corn rust (Puccinia sorghi) was not ideal (EC
<sub>50</sub>
 = 53.26 mg/L). Herein, a series of novel pyrimidinamine derivatives containing phenyl-thiazole/oxazole moiety were designed based on our previous study and the structural characteristics of diflumetorim, synthesized and bioassayed to discover novel fungicides with excellent antifungal activities. Among these compounds, T18 gave the optimal fungicidal activity, which respectively offers control effects with EC
<sub>50</sub>
values of 0.93 mg/L against P. sorghi and 1.24 mg/L against E. graminis, significantly superior to commercial fungicides diflumetorim, tebuconazole, and flusilazole. Cell cytotoxicity results suggested that compound T18 has lower toxicities than diflumetorim. Furthermore, DFT calculation indicated that the phenyl-thiazole/oxazole moiety plays an unarguable role in the improvement of activity, which will contribute to designing and developing more potent compounds in the future.</div>
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<Day>22</Day>
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<Month>09</Month>
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<Issue>15</Issue>
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<Month>08</Month>
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<Title>Bioorganic & medicinal chemistry</Title>
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<ArticleTitle>Design, synthesis and fungicidal activity evaluation of novel pyrimidinamine derivatives containing phenyl-thiazole/oxazole moiety.</ArticleTitle>
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<AbstractText>Diflumetorim is a member of pyrimidinamine fungicides that possess excellent antifungal activities. Nevertheless, as reported that the activity of diflumetorim to corn rust (Puccinia sorghi) was not ideal (EC
<sub>50</sub>
 = 53.26 mg/L). Herein, a series of novel pyrimidinamine derivatives containing phenyl-thiazole/oxazole moiety were designed based on our previous study and the structural characteristics of diflumetorim, synthesized and bioassayed to discover novel fungicides with excellent antifungal activities. Among these compounds, T18 gave the optimal fungicidal activity, which respectively offers control effects with EC
<sub>50</sub>
values of 0.93 mg/L against P. sorghi and 1.24 mg/L against E. graminis, significantly superior to commercial fungicides diflumetorim, tebuconazole, and flusilazole. Cell cytotoxicity results suggested that compound T18 has lower toxicities than diflumetorim. Furthermore, DFT calculation indicated that the phenyl-thiazole/oxazole moiety plays an unarguable role in the improvement of activity, which will contribute to designing and developing more potent compounds in the future.</AbstractText>
<CopyrightInformation>Copyright © 2019 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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<ForeName>Zhongzhong</ForeName>
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<Affiliation>Schooll of Medicine, Hunan University of Chinese Medicine, Changsha 410208, People's Republic of China.</Affiliation>
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<Month>05</Month>
<Day>20</Day>
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<MeshHeading>
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<name sortKey="Liu, Weidong" sort="Liu, Weidong" uniqKey="Liu W" first="Weidong" last="Liu">Weidong Liu</name>
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