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Research Article

Antitumor evaluation and molecular docking study of substituted 2-benzylidenebutane-1,3-dione, 2-hydrazonobutane-1,3-dione and trifluoromethyl-1H-pyrazole analogues

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Pages 679-687 | Received 11 May 2014, Accepted 29 Aug 2014, Published online: 04 Dec 2014

Figures & data

Scheme 1. Synthesis of the designed chalcone, hydrazone and pyrazole analogues.

Scheme 1. Synthesis of the designed chalcone, hydrazone and pyrazole analogues.

Table 1. Antitumor activity of chalcone, hydrazone and pyrazole derivatives 27, 8, 10 and 1316 presented as growth inhibition percentages (GI%) over 60 subpanel tumor cell lines.

Table 2. Antitumor activity of the most active chalcone, hydrazone and pyrazole 3, 5, 7, 8 and 16 with GI% over the most sensitive tumor cell line.

Figure 1. Dose-response curves (% growth versus sample concentration at NCI fixed protocol, µM) obtained from the NCIs in-vitro disease-oriented human tumor cells line of compound 8 on nine cancer disease.

Figure 1. Dose-response curves (% growth versus sample concentration at NCI fixed protocol, µM) obtained from the NCIs in-vitro disease-oriented human tumor cells line of compound 8 on nine cancer disease.

Table 3. Compounds 8 and 5-Flu median growth inhibitory (GI50, µM), total growth inhibitory (TGI, µM) and median lethal (LC50, µM) concentration of in-vitro subpanel tumor cell lines.

Table 4. GI50 values (µM) of compound 8, gefitinib and erlotinib over the most sensitive cell lines of non-small lung cancer, colon cancer, melanoma, breast cancer, CNS cancer and leukemia subpanels.

Figure 2. Right panel shows docking studies on compound 8 with active site of epidermal growth factor receptor and left panel shows superimposition of compound 8 (red colored) on erlotinib (yellow colored) inside the pockets of active site. Hydrogen bonds are shown in green.

Figure 2. Right panel shows docking studies on compound 8 with active site of epidermal growth factor receptor and left panel shows superimposition of compound 8 (red colored) on erlotinib (yellow colored) inside the pockets of active site. Hydrogen bonds are shown in green.

Figure 3. Right panel shows docking studies on compound 8 with B-RAFV600E kinase domain and left panel shows superimposition of compound 8 (red colored) on PLX4032 inhibitor (green colored) inside the pockets of active site. Hydrogen bonds are shown in green.

Figure 3. Right panel shows docking studies on compound 8 with B-RAFV600E kinase domain and left panel shows superimposition of compound 8 (red colored) on PLX4032 inhibitor (green colored) inside the pockets of active site. Hydrogen bonds are shown in green.

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