Eco-friendly Synthesis of Pyrido[2,3-d]pyrimidine Analogs and Their Anticancer and Tyrosine Kinase Inhibition Activities
Ali Khalil Ali; El- naggar, Abeer; Hala Zeidan; Wael M. El-Sayed;
Abstract
Background: One of the promising scaffolds in drug discovery is the fused pyrimidine derivatives. Objective and Method: Efficient synthesis of a novel series of 18 new 1,8-naphthyridine-3-carbonitrile, 2-amino pyrido[2,3-d]pyrimidine derivatives via multi-component reactions of aromatic aldehydes, active methylene, and an aromatic amine under microwave irradiation and evaluation of their anticancer activity and possible mechanisms. Results: Only compounds 5 (a-c) had a significant antiproliferative activity in hepatic HepG2 cells at submi-cromolar concentration (7.5-10 µM). Similarly, only compound 11 (a-c) had a significant activity in breast MCF7 cells at (4-7 µM). Derivatives with one methoxyphenyl substitution (5a and 11a) were not different from derivatives having dimethoxyphenyl substitution (5b and 11b). However, thiophene substitution (5c and 11c) enhanced the anticancer activity in both cells lines examined by 25% in HepG2 and by ~45% in MCF7 cells compared to a and b derivatives. All compounds were safe to both normal human lung cells (WI-38) and RBCs at concentrations up to 40 mM. The antiproliferative activity of compounds 5 (a-c) in HepG2 could be attributed to an induction of intrinsic apoptotic pathway as evidenced from the induction of initiator caspase 9 by ~ 4 folds. While, the activity of compounds 11 (a-c) could be attributed to their potential to inhibit tyrosine kinases (TK) by up to 85%. The IC50of derivative 11c against TK was at 173 nM. Conclusion: The present study reported that derivatives 5 and 11 have merit for further investigation as anticancer and TK inhibitors.
Other data
Title | Eco-friendly Synthesis of Pyrido[2,3-d]pyrimidine Analogs and Their Anticancer and Tyrosine Kinase Inhibition Activities | Authors | Ali Khalil Ali ; El- naggar, Abeer ; Hala Zeidan; Wael M. El-Sayed | Issue Date | 2017 | Journal | Anti-Cancer Agents in Medicinal Chemistry | Volume | 17 | Issue | 2 | Start page | 1644 | End page | 1651 | DOI | 10.2174/1871521409666170412130040 1875-5992 |
PubMed ID | 28403776 | Scopus ID | 2-s2.0-85042762475 |
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