Journal of Agricultural and Food Chemistry p. 1378 - 1384 (2015)
Update date:2022-08-03
Topics:
Lu, Aidang
Wang, Ziwen
Zhou, Zhenghong
Chen, Jianxin
Wang, Qingmin
A series of simple thiourea derivatives were designed based on the structure of natural product harmine and lead compound and synthesized from amines in one step. The antiviral activity of these thiourea derivatives was evaluated. Most of them exhibited significantly higher anti-TMV activity than commercial plant virucides ribavirin, harmine, and lead compound. The hydrogen bond was found to be important but not the more the better. The optimal compound (R,R)-20 showed the best anti-TMV activity in vitro and in vivo (in vitro activity, 75%/500 a??g/mL and 39%/100 a??g/mL; inactivation activity, 71%/500 a??g/mL and 35%/100 a??g/mL; curative activity, 73%/500 a??g/mL and 37%/100 a??g/mL; protection activity, 69%/500 a??g/mL and 33%/100 a??g/mL), which is significantly higher than that of Ningnanmycin. The systematic study provides strong evidence that these simple thiourea derivatives could become potential TMV inhibitors.
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