Journal
CHINESE JOURNAL OF ORGANIC CHEMISTRY
Volume 37, Issue 7, Pages 1721-1729Publisher
SCIENCE PRESS
DOI: 10.6023/cjoc201704006
Keywords
pyrazole; isatin; antineoplastic activity; cell apoptosis; mitochondrial membrane potential
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Funding
- Department of Science and Technology of Guizhou Province [[2014]7565, [2014]7557, [2015]6010]
- Priming Scientific Research Foundation for Doctoral Program of Zunyi Medical University [F-631]
- National Undergraduate Training Programs for Innovation and Entrepreneurship [201510661009]
- Undergraduate Training Programs for Innovation and Entrepreneurship of Zunyi Medical University [[2014]5811, [2014]2918]
- Discipline Construction Funding (Medicinal Chemistry) of Zunyi Medical University
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Two kinds of novel pyrazole derivatives containing isatins, total of 12 target compounds, were prepared from 4-hydroxyacetophenone via addition, cyclization, substitution, hydrazinolysis and condensation, which were characterized by H-1 NMR, C-13 NMR and HRMS. The anti-neoplastic activity of target molecules was evaluated against human non-small cell lung cancer cell line A549 using cell counting Kit-8 (CCK-8) assay. The data showed that several compounds possessed potential anticancer effect. Among them, N'-(3-imino-6-chloroindole-2-one)-1-benzy1-3-(4-methoxypheny1)-1H-pyrazole-5-carbohydrazide (7e) and N'-(3-imino-6-bromoindole-2-one)-1-benzy1-3-(4-methoxypheny1)-1H-pyrazole-5-carbohydrazide (7f) exhibited IC50 values of 30.41 and 29.69 mu mol/L, respectively. Flow cytometry showed that compound 7f could induce apoptosis of A549 cells, reduce the mitochondrial membrane potential, but have no effect on the cell cycle. Those data indicated that the anti-proliferative activity of molecule 7f was mediated by apoptosis-dependent mechanism involving the mitochondrial pathway in A549 cells.
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