Synthesis, Characterization and Anti-Angiogenic Effects of Novel 5-Amino Pyrazole Derivatives on Ehrlich Ascites Tumor [EAT] Cells in-Vivo

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DOI: 10.4236/jct.2010.11001    6,369 Downloads   13,801 Views  Citations

ABSTRACT

In search of synthetic chemotherapeutic substances capable of inhibiting, retarding, or reversing the process of multi-stage carcinogenesis, we synthesized a series of novel 5-amino pyrazole derivatives 11(a-h) by a nucleophilic substitution reaction and characterized by 1H nuclear magnetic resonance (NMR), liquid chromatography mass spectrometry (LC/MS), Fourier-transform infrared (FTIR), and elemental analysis. These novel compounds were evaluated for their efficacy in inhibiting Ehrlich ascites tumor [EAT] cells in-vivo. In the present study we designed, synthesized, characterized and investigate the anti-angiogenic effects of these compounds, on Ehrlich ascites tumor [EAT] cells in-vivo. The compounds were subsequently tested for their ability to inhibit neovascularisation in chorio allantoin membrane (CAM) model. From the Structure Activity Relationship (SAR) studies, it reveals that, the substitution at N-terminal in pyrazole ring plays key role in the antitumor and anti-angiogenic effects.

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H. Raju, S. Chandrappa, M. Ramakrishna, T. Nagamani, H. Ananda, S. Byregowda and K. Rangappa, "Synthesis, Characterization and Anti-Angiogenic Effects of Novel 5-Amino Pyrazole Derivatives on Ehrlich Ascites Tumor [EAT] Cells in-Vivo," Journal of Cancer Therapy, Vol. 1 No. 1, 2010, pp. 1-9. doi: 10.4236/jct.2010.11001.

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