Tetrahedron Letters, vol.56, no.45, pp.6254-6256, 2015 (SCI-Expanded)
© 2015 Elsevier Ltd.2-Substituted quinolone 3-carboxylates were obtained in moderate to good yields by the reaction of N-(2-aminobenzoyl)benzotriazoles with β-ketoesters in the presence of t-BuOK in THF.