DFT/B3LYP calculations,in vitro cytotoxicity and antioxidant activities of steroidal pyrimidines and their interaction with HSA using molecular docking and multispectroscopic techniques |
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| Institution: | 1. Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah Almukkarramah, Saudi Arabia;2. Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt;3. Department of Chemistry, Faculty of Science, University of Cairo, Giza 12613, Egypt;4. Chemistry Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia;5. Chemistry Department, Faculty of Applied Sciences, Taiz University, P.O. Box 82, Taiz, Yemen;6. Biology Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia |
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| Abstract: | As a part of our continuing program on the synthesis of steroidal heterocycles, it has been prepared a series of novel steroidal pyrimidine derivatives 4–6 via TMSCl, steroidal ketones (1c–3c), urea and benzaldehyde. The systems presented here, are novel scaffolds and have not been described before at 6th position of steroidal-6-one (1c–3c). Structural assignment of newly synthesized compounds was performed by DFT/B3LYP calculations as well as spectral and analytical data. The interactions of compounds (4–6) with HSA were studied by fluorescence spectroscopy, DLS, CD and molecular docking, under imitated physiological conditions. The antitumor activity has been tested in vitro against three cancer cell lines MDA-MB231 (breast carcinoma), HeLa (human cervical carcinoma), HepG2 (hepatic carcinoma) and one non-cancer normal cell lines, PBMCs (peripheral blood mononuclear cell) by MTT assay. In addition, in vitro antioxidant activity and apoptosis assay of the synthesized compounds (4–6) have also been investigated. |
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| Keywords: | Pyrimidine Cytotoxicity Antioxidant HSA DFT |
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