Design and synthesis of new 2-anilinoquinolines bearing N-methylpicolinamide moiety as potential antiproliferative agents

Title
Design and synthesis of new 2-anilinoquinolines bearing N-methylpicolinamide moiety as potential antiproliferative agents
Authors
배애님서선희금교창김은경조남철Ashraf Kareem Awad Mohammed Eldamasy
Keywords
2-anilinoquinoline; antiproliferative activity; N-methylpicolinamide; RAF kinase
Issue Date
2017-01
Publisher
Chemical biology & drug design
Citation
VOL 89, NO 1-113
Abstract
A series of new 2-anilinoquinolines 6a– o possessing the substantial N-methylpicolinamide motif at C5 has been designed and synthesized as sorafenib analogs. The antiproliferative activities of the target compounds were preliminarily appraised against a panel of three human cancer cell lines (MCF-7, SK-BR3, and HCT116), and a selected array was further tested over a panel of approximately 60 cancer cell lines at NCI at 10 μM concentration. Interestingly, compounds 6c, 6d, 6j, 6k, and 6l showed promising selective anticancer activities (growth inhibition >80%) toward certain cancer cells at 10 μM testing dose. Compounds 6d and 6j were advanced to five-dose testing mode to determine their GI50 values and compared with our previously reported ureidoquinoline B and sorafenib as reference compounds. The 4-chloro-3-trifluoromethylaniline derivative 6j manifested superior potency than both compound B and sorafenib over eleven and eight cell lines, respectively. It showed GI50 values of 0.36, 0.66, 0.68, and 0.60 μM against the breast MDA-MB-468, renal A498, and melanoma SK-MEL-5 and UACC-62 cell lines, respectively. Moreover, both 6d and 6j exerted low cytotoxic effects against HFF-1 normal cell line. Furthermore, compounds 6d and 6j were tested against both B-RafV600E and C-Raf kinases and displayed modest inhibitory activities, which were justified by molecular docking study. Compound 6j could serve as a promising candidate for further development of potent anticancer chemotherapeutics.
URI
http://pubs.kist.re.kr/handle/201004/65264
ISSN
1747-0277
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KIST Publication > Article
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