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Synthesis and antiviral activities of novel penta-1,4-diene-3-one oxime derivatives bearing a pyridine moiety

Xiaobin Wang, Meihang Chen, Qin Li, Juping Zhang, Xianghui Ruan, Yan Xie, and Wei Xue

State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, China

 

E-mail: wxue@gzu.edu.cn

Abstract: A series of novel penta-1,4-diene-3-one oxime ether derivatives bearing a pyridine moiety were designed and synthesized, and their antiviral activities against tobacco mosaic virus (TMV) were evaluated. The results of the biological assay indicated that most of the title compounds exhibit good antiviral activities against TMV at 500 μg/mL. In particular, the title compounds 5c, 5j, 5o and 5p showed remarkable curative activities against TMV, with EC50 values of 274.8, 299.2, 251.8 and 287.7 μg/mL, respectively, which were superior to that of ribavirin (379.8 μg/mL). This study indicates that penta-1,4-diene-3-one oxime ether derivatives bearing a pyridine moiety can serve as potential alternative templates in the search for novel, highly efficient, anti-plant viral agents.

Keywords: Penta-1,4-diene-3-one, Oxime ether, Antiviral activity, Tobacco mosaic virus

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-016-0116-1

 

Chemical Papers 71 (7) 1225–1233 (2017)

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