Evidence map›Paper›PMID 42240765›Full record

ArticleMolecular diversity2026

Synthesis and fungicidal activity of novel 1,1-diaryl-2-azolylethanols with a pyridine moiety.

Minghui Chen, Fahong Yin, Sai Hong, Yanfei Liu, Bin Fu, Yumei Xiao, Xuemin Wu, Zhaohai Qin

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Article in Molecular diversity, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Minghui Chen *College of Science, China Agricultural University, Beijing, 100193, China.
Fahong Yin *College of Science, China Agricultural University, Beijing, 100193, China.
Sai HongCollege of Science, China Agricultural University, Beijing, 100193, China.
Yanfei LiuCollege of Science, China Agricultural University, Beijing, 100193, China.
Bin FuCollege of Science, China Agricultural University, Beijing, 100193, China.
Yumei XiaoCollege of Science, China Agricultural University, Beijing, 100193, China.
Xuemin WuCollege of Science, China Agricultural University, Beijing, 100193, China.
Zhaohai QinCollege of Science, China Agricultural University, Beijing, 100193, China. qinzhaohai@263.net.

Funding

National Natural Science Foundation of China No. 21877125
6 · The paper itself

Abstract

To investigate the effect of pyridine heterocycle on the activity of triazole alcohol fungicides, 31 pyridine-containing 2-azolyl-1,1-diarylmethanol derivatives were designed and synthesized using flutriafol as the lead compound and pyridine diaryl ketone molecular building blocks as the basis. The in vitro fungicidal activity against 10 plant pathogenic fungi was determined, and the results showed that the target compounds exhibited broad-spectrum inhibitory effects on the tested pathogens. Among them, the imidazole-substituted compounds I-24, I-26 and I-27 displayed remarkable fungicidal activity against Sclerotinia sclerotiorum, Phytophthora capsici, Pythium aphanidermatum, Botrytis cinerea and other fungi. The EC₅₀ values of compound I-24 against various pathogens were as low as 3.55 ~ 15.46 μg/mL, and its in vivo curative activity against Botrytis cinerea on tomato fruits was comparable to that of the positive control flutriafol. Structure-activity relationship analysis revealed a positive correlation between the hydrophobicity of the compounds and their fungicidal activity. The replacement of cyclohexyl with benzene ring and the introduction of substituents at the 2-position of the benzene ring exerted a positive effect on the activity. Triazole and imidazole derivatives showed similar overall activity, with some imidazole-substituted compounds exhibiting superior activity. Molecular docking studies further elucidated the binding mechanism of the compounds to the 14α-demethylase of Fusarium graminearum and the reasons for the differences in their biological activities.

Indexed as

2-azolyl-1,1-diarylmethanolFlutriafolFungicidal activityMolecular dockingStructure–activity relationship

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.