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Synthesis,crystal structure and 3D-QSAR studies of antifungal (bis-) 1,2,4-triazole Mannich bases containing furyl and substituted piperazine moieties 被引量:4
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作者 Yan Zhang Yi-Zhou Zhan +6 位作者 Yi Ma Xue-Wen Hua Wei Wei Xiao Zhang Hai-Bin Song Zheng-Ming Li Bao-Lei Wang 《Chinese Chemical Letters》 SCIE CAS CSCD 2018年第3期441-446,共6页
A series of novel title compounds 6a-6r and 7a-7c have been synthesized by Mannich reaction of the new triazole Schiff base intermidiates, substituted piperazine and formaldehyde under mild conditions in excellent yie... A series of novel title compounds 6a-6r and 7a-7c have been synthesized by Mannich reaction of the new triazole Schiff base intermidiates, substituted piperazine and formaldehyde under mild conditions in excellent yields. The crystal structure of compound 6i was determined to show a chair conformation of the piperazine ring and an (E)-configuration of the C=N double bond. The bioassay results indicated that most of the newly synthesized compounds exhibited excellent in vitro inhibitory activities and broader spectrum against several plant fungi, and were more effective than the control Triadimefon. Several compounds also displayed favourable in vivo antifungal activities. The relationships between the compound structures and various biological activities were discussed. Furthermore, the CoMFA calculation based on the antifungal activity data of compounds 6 against R. cerealis was carried out to establish a 3D-QSAR model, which revealed that steric and electrostatic fields were two most important factors for contributing the bioactivity of the compounds. The present work will provide significant information for guiding optimization of such new structures to develop novel agrochemicals with higher antifungal activities. 展开更多
关键词 triazole Furan-2-yl Mannich base antifungal activity Herbicidal activity 3D-QSAR
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New triazole derivatives containing substituted 1,2,3-triazole side chains:Design,synthesis and antifungal activity
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作者 Hai-Jiang Chen Yan-Juan Jiang +5 位作者 Yong-Qiang Zhang Qi-Wei Jing Na Liu Yan Wang Wan-Nian Zhang Chun-Quan Sheng 《Chinese Chemical Letters》 SCIE CAS CSCD 2017年第4期913-918,共6页
In order to discover new generation of triazole antifungal agents,a series of novel antifungal triazoles were designed and synthesized by structural simplification of our previously identified triazolepiperdine-hetero... In order to discover new generation of triazole antifungal agents,a series of novel antifungal triazoles were designed and synthesized by structural simplification of our previously identified triazolepiperdine-heterocycle lead compounds.Several target compounds showed good antifungal activity with a broad spectrum.In particular,compound 71 was highly active against Candida albicans and Candida glabrata.Moreover,compound 71 showed potent in vivo antifungal efficacy in the Caenorhabditis elegans-C.albicans infection model. 展开更多
关键词 triazole derivatives antifungal activities Click reaction Molecular docking CYP51
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Design and synthesis of novel triazole derivatives containing γ-lactam as potential antifungal agents
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作者 Yuan-Yuan Xu An-Ran Qian +5 位作者 Xu-Feng Cao Chen-Yu Ling Yong-Bing Cao Rui-Lian Wang Yi-Su Li Yu-She Yang 《Chinese Chemical Letters》 SCIE CAS CSCD 2016年第5期703-706,共4页
A series of novel triazole derivatives containing y-lactam were designed and synthesized, and their structures were confirmed by IH NMR, 13C NMR and HRMS, The in vitro antifungal activities of the target compounds wer... A series of novel triazole derivatives containing y-lactam were designed and synthesized, and their structures were confirmed by IH NMR, 13C NMR and HRMS, The in vitro antifungal activities of the target compounds were evaluated, The results showed that all of the compounds exhibited stronger activity against the six clinically important fungi tested than fluconazole. 3D and 3E showed comparative activity against the fungi tested except for Candida glabrata and Aspergillus fumigatus as voriconazole. In addition, the docking model for 2A and CYP51 was investigated. 展开更多
关键词 Synthesis triazole γ-Lactam antifungal activity
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