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Design and stereoselective synthesis of novel isosteviol-fused pyrazolines and pyrazoles as potential anticancer agents.
- Source :
-
European Journal of Medicinal Chemistry . Jul2013, Vol. 65, p70-82. 13p. - Publication Year :
- 2013
-
Abstract
- Abstract: Two series of novel isosteviol-fused pyrazoline and pyrazole derivatives were facilely synthesized via intramolecular 1,3-dipolar cycloaddition and condensation reaction, respectively. All compounds were characterized by NMR, IR and HRMS spectra. The stereochemistry of compounds 9b, 10, 11a and 11v were further confirmed by X-ray crystallographic analysis. The antiproliferative activities of the structurally related pyrazoline and pyrazole derivatives were tested in vitro on four human malignant cell lines (SGC 7901, A549, Raji and HeLa): Our results revealed that isosteviol-fused pyrazole derivatives exhibited noteworthy cytotoxic activities. Among them, 2,4-di-Cl-phenylpyrazole derivative 11t displayed better cytotoxities with IC50 values: 2.71, 3.18, 1.09 and 13.52 μM against SGC 7901, A549, Raji and HeLa, respectively, compared to cisplatin (IC50 values: 7.56, 17.78, 17.32 and 14.31 μM, respectively). [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 02235234
- Volume :
- 65
- Database :
- Academic Search Index
- Journal :
- European Journal of Medicinal Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 89432762
- Full Text :
- https://doi.org/10.1016/j.ejmech.2013.04.044