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  • Title: An overview of quinoline as a privileged scaffold in cancer drug discovery.
    Author: Musiol R.
    Journal: Expert Opin Drug Discov; 2017 Jun; 12(6):583-597. PubMed ID: 28399679.
    Abstract:
    The concept of privileged structures is well known and is often used in the process of drug design and development. Although its assumptions are not clear, its overall usefulness remains high. Various substructures have been identified as privileged and quinoline is a prime example of such a structure. Areas covered: Quinoline drugs that are currently approved or under clinical investigation were reviewed based on a literature search. Their modes of action and outcomes during clinical research are discussed. Expert opinion: Undoubtedly, quinoline-based compounds have a significant impact on anticancer drugs. Although topoisomerase and kinase inhibitors are the only two different classes of agents that are currently approved for anticancer therapy, more than twenty different drug candidates are being tested on humans. The quinoline moiety offers an easily accessible, well-understood scaffold for designing new drugs. It is also a very druggable molecule with the potency for structure optimization through established synthetic pathways. For these reasons, quinoline-based anticancer drugs have a strong position in modern medicinal chemistry.
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