Horta P, Henriques MSC, Brás EM, et al. On the ordeal of quinolone preparation via cyclisation of aryl-enamines; synthesis and structure of ethyl 6-methyl-7-iodo-4-(3-iodo-4-methylphenoxy)-quinoline-3-carboxylateAbstract. Pure and Applied Chemistry. 2017;89(6). doi:10.1515/pac-2016-1119

Horta P, Kuş N, Henriques MSofia C, et al. Quinolone-Hydroxyquinoline Tautomerism in Quinolone 3-Esters. Preserving the 4-Oxoquinoline Structure To Retain Antimalarial Activity. J Org Chem. 2015;80(24):12244-57. doi:10.1021/acs.joc.5b02169

W. Hong D, Gibbons PD, Leung SC, et al. Rational Design, Synthesis, and Biological Evaluation of Heterocyclic Quinolones Targeting the Respiratory Chain of Mycobacterium tuberculosis. Journal of Medicinal Chemistry. 2017;60(9):3703 - 3726. doi:10.1021/acs.jmedchem.6b01718