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Novel Phosphorylated Penta-1,4-dien-3-one Derivatives: Design, Synthesis, and Biological Activity.


ABSTRACT: A series of novel phosphorylated penta-1,4-dien-3-one derivatives were designed and synthesized. The structures of all title compounds were determined by ¹H-NMR, 13C-NMR, 31P-NMR, and high-resolution mass spectrometry (HRMS). Bioassay results showed that several of the title compounds exhibited remarkable antibacterial and antiviral activities. Among these, compound 3g exhibited substantial antibacterial activity against Xanthomonas oryzae pv. Oryzae (Xoo), with a 50% effective concentration (EC50) value of 8.6 ?g/mL, which was significantly superior to bismerthiazol (BT) (58.8 µg/mL) and thiodiazole-copper (TC) (78.7 ?g/mL). In addition, compound 3h showed remarkable protective activity against tobacco mosaic virus (TMV), with an EC50 value of 104.2 ?g/mL, which was superior to that of ningnanmycin (386.2 ?g/mL). Furthermore, the microscale thermophoresis and molecular docking experiments on the interaction of compounds 3h and 3j with TMV coat protein (TMV CP) were also investigated. Compounds 3h and 3j bound to TMV CP with dissociation constants of 0.028 and 0.23 ?mol/L, which were better than that of ningnanmycin (0.52 ?mol/L). These results suggest that novel phosphorylated penta-1,4-dien-3-one derivatives may be considered as an activator for antibacterial and antiviral agents.

SUBMITTER: Chen L 

PROVIDER: S-EPMC6429309 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Novel Phosphorylated Penta-1,4-dien-3-one Derivatives: Design, Synthesis, and Biological Activity.

Chen Lijuan L   Guo Tao T   Xia Rongjiao R   Tang Xu X   Chen Ying Y   Zhang Cheng C   Xue Wei W  

Molecules (Basel, Switzerland) 20190307 5


A series of novel phosphorylated penta-1,4-dien-3-one derivatives were designed and synthesized. The structures of all title compounds were determined by ¹H-NMR, <sup>13</sup>C-NMR, <sup>31</sup>P-NMR, and high-resolution mass spectrometry (HRMS). Bioassay results showed that several of the title compounds exhibited remarkable antibacterial and antiviral activities. Among these, compound <b>3g</b> exhibited substantial antibacterial activity against <i>Xanthomonas oryzae pv. Oryzae</i> (Xoo), wi  ...[more]

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