In the present study, a novel series of quinazoline derivatives is developed for cancer therapy. All the synthesised analogues were evaluated against a panel of 60 human cancer cell lines for the antiproliferative activity. Significant and selective growth inhibition of several solid tumour cell lines such as NCI-H322M, NCI-H522 (non-small cell lung cancer), IGROV1, SK-OV-3 (ovarian cancer), TK-10 (renal cancer) and MDA-MB-468 (breast cancer) was observed. Further, all the new amide analogues strongly inhibited EGFR in low nanomolar range with morpholino quinazoline 10 producing activity (IC₅₀ = 6.12 nM) comparable to standard drugs erlotinib and gefitinib. In addition, western blot analysis depicted inhibition of phosphorylation of EGFR by compounds 10 and 11 in MDA-MB-468 cells at 10 µM. Molecular docking studies showed the strong binding interactions with the active site of the EGFR protein. The current investigation could be extremely helpful for the development of newer therapeutically useful quinazoline based molecules for cancer therapy.

在本研究中，开发了一系列新颖的喹唑啉衍生物用于癌症治疗。针对一组60种人类癌细胞系评估了所有合成的类似物的抗增殖活性。显着和选择性抑制几种实体瘤细胞系，例如NCI-H322M，NCI-H522（非小细胞肺癌），IGROV1，SK-OV-3（卵巢癌），TK-10（肾癌）和MDA观察到-MB-468（乳腺癌）。此外， 与标准药物厄洛替尼和吉非替尼相比，所有新的酰胺类似物均在低纳摩尔范围内强烈抑制EGFR，产生吗啉代喹唑啉10的活性（IC ₅₀ = 6.12 nM）。此外，蛋白质印迹分析显示化合物10和10抑制EGFR磷酸化。11在MDA-MB-468细胞在10μM。分子对接研究显示了与EGFR蛋白活性位点的强结合相互作用。当前的研究对于开发用于癌症治疗的新型治疗性基于喹唑啉的分子可能非常有帮助。