Bioorganic and Medicinal Chemistry Letters p. 2551 - 2558 (2019)
Update date:2022-08-31
Topics:
Chitti, Surendar
Singireddi, SrinivasaRao
Santosh Kumar Reddy, Pochana
Trivedi, Prakruti
Bobde, Yamini
Kumar, Chandan
Rangan, Krishnan
Ghosh, Balaram
Sekhar, Kondapalli Venkata Gowri Chandra
Two series of forty five novel 2-(3,4-dimethoxyphenyl)-6-(1,2,3,6-tetrahydropyridin-4-yl) imidazo[1,2-a]pyridine analogues (IPA 1–22, IPS 1–22 and IP-NH) have been designed, synthesized and structures confirmed by 1H NMR, 13C NMR, mass spectrometry. Furthermore, single crystal was developed for IPS-13. All the final derived conjugates were evaluated for their in vitro antiproliferative activity against a panel of diverse cancer cell lines viz., A549 (lung cancer), HeLa (cervical cancer), B16F10 (melanoma) and found to show potent anticancer activity on the tested cell lines. Many of them showed the IC50 values in the range 2.0–20.0 μM. The most active compounds (IPA 5,6,8,9,12,16,17,19 and IPS 7,8,9,22) from IPA and IPS series were screened to determine their cytotoxicity on HEK-293 (human embryonic kidney) normal cell line and were found to be nontoxic to normal human cells. The molecular interactions of the derivatised conjugates were also supported by molecular docking simulations. These derivatives may serve as lead structures for development of novel potential anticancer drug candidates.
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