Experimental Crystal data

R factor = 0.037; wR factor = 0.098; data-to-parameter ratio = 16.0. In the title compound, C20H25NO2, the cyclohexyl ring adopts a slightly disordered chair conformation. The dihedral angle between the mean planes of the quinoline ring and the carboxylate group is 22.2 (6). In the crystal, weak C—H N interactions make chains along [010]. Related literature For heterocycles in natural products, see: Morimoto et al. (1991); Michael (1997). For heterocycles in fragrances and dyes, see: Padwa et al. (1999). For heterocycles in biologically active compounds, see: Markees et al. (1970); Campbell et al.(1988). For quinoline alkaloids used as efficient drugs for the treatment of malaria, see: Robert & Meunier, (1998). For quinoline as a privileged scaffold in cancer drug discovery, see: Solomon & Lee (2011). For related structures, see: Fazal et al. (2012, 2013a,b,c); Butcher et al. (2007); Jing & Qin (2008); Jasinski et al. (2010). For puckering parameters, see Cremer &amp