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Synthesis,bioactivity and preliminary mechanism of action of novel trifluoromethyl pyrimidine derivatives |
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| Affiliation: | 1. State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, PR China;2. Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang 550003, PR China |
| Abstract: | In this study, a series of trifluoromethyl pyrimidine derivatives 5a-5v were designed and synthesized. All synthetic compounds were original. Bioassay results showed that some of the target compounds were proved to have higher antiviral and antifungal activities than those of commercial agents. Especially, EC50 values of the curative activity of compound 5j and the protection activity of compound 5m were 126.4 and 103.4 µg/mL, respectively, which were lower than that of ningnanmycin. Microscale thermophoresis experiment proved that there was a good interaction between compound 5m and TMV-CP. Meanwhile, the antifungal activity results showed that compound 5u had a significant on in vitro against Rhizoctonia solani (RS) activity, with the EC50 value of 26.0 µg/mL, which was equal to that of azoxystrobin. As well, in vivo experiments on rice leaves showed that compound 5u could effectively control RS, and the effect of 5u on the cell morphology of RS was observed by scanning electron microscopy. |
| Keywords: | Trifluoromethyl pyrimidine Antiviral activity Antifungal activity Mechanism of action HRMS"} {"#name":"keyword" "$":{"id":"k0050"} "$$":[{"#name":"text" "_":"High-resolution mass spectrometry Median effective concentration TMV"} {"#name":"keyword" "$":{"id":"k0070"} "$$":[{"#name":"text" "_":"Tobacco mosaic virus AB"} {"#name":"keyword" "$":{"id":"k0080"} "$$":[{"#name":"text" "_":"Alternaria brassicae FF"} {"#name":"keyword" "$":{"id":"k0090"} "$$":[{"#name":"text" "_":"Fusarium fujikuroi FO"} {"#name":"keyword" "$":{"id":"k0100"} "$$":[{"#name":"text" "_":"Fusarium oxysporum f sp cucumerinum CT"} {"#name":"keyword" "$":{"id":"k0110"} "$$":[{"#name":"text" "_":"Colletotrichum truncatum PC"} {"#name":"keyword" "$":{"id":"k0120"} "$$":[{"#name":"text" "_":"Phytophthora capsici CG"} {"#name":"keyword" "$":{"id":"k0130"} "$$":[{"#name":"text" "_":"Colletotrichum gloeosporioides RS"} {"#name":"keyword" "$":{"id":"k0140"} "$$":[{"#name":"text" "_":"Rhizoctonia solani FG"} {"#name":"keyword" "$":{"id":"k0150"} "$$":[{"#name":"text" "_":"Fusarium graminearum PS"} {"#name":"keyword" "$":{"id":"k0160"} "$$":[{"#name":"text" "_":"Phytophthora sojae PP"} {"#name":"keyword" "$":{"id":"k0170"} "$$":[{"#name":"text" "_":"Phytophthora palmivora BC"} {"#name":"keyword" "$":{"id":"k0180"} "$$":[{"#name":"text" "_":"Botrytis cinerea PL"} {"#name":"keyword" "$":{"id":"k0190"} "$$":[{"#name":"text" "_":"Phytophthora litchii |
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