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7152051 
Journal Article 
Synthesis and Biological Evaluation of Piperazine Substituted 3-Aryl-5-furanyldihydropyrazole Amide Derivatives 
Mao Zewei; Liu Bei; Zhu Ping; Zhang Lijun; Zhu Jiahong; Wu Linze; Wan Chunping; , 
2018 
Youji Huaxue / Chinese Journal of Organic Chemistry
ISSN: 0253-2786 
SCIENCE PRESS 
BEIJING 
2167-2173 
Pyrazole is a five-membered heterocyclic molecule with a broad range of biological activities. In this study, a series of new 3-aryl-5-furanyl-4, 5-dihydropyrazole derivatives have been designed and synthesized by the general principle of molecular hybridization. The structures were characterized by H-1 NMR, C-13 NMR and HRMS. We screened in vitro anti-inflammatory in lipopolysaccharide (LPS)-stimulated RAW-264.7 macrophages and anticancer activity against 3 strains human tumor cell lines (A549, Hela and SGC7901) by the methyl thiazolyl tetrazolium (MTT) assay. The result indicated that dihydropyrazole compounds showed good inhibitory effect on the generation of NO and selective cytotoxic activity against tumor cell lines, and the acyl moieties of amides had an obvious influence on biological activities. Especially, 3 compounds were found to be similar anti-inflammatory to positive control dexamethasone, and 3 compounds displayed similar selective anti-tumor activity to positive control 5-fluorouracil (5-FU), which were to be lead compounds for further SAR research.