. 2020 Feb 11;5(7):3207–3217. doi: 10.1021/acsomega.9b03277

Table 3. Catalytic Synthesis of 2-Aryl-quinoline-4-carboxylic Acid Derivatives in the Presence of a Catalytic Amount of Fe₃O₄@SiO₂@(CH₂)₃–Urea–Thiazole Sulfonic Acid Chloride^a.

Reaction conditions: arylaldehyde (1 mmol), pyruvic acid (1 mmol, 0.088 g), and 1-naphthylamine (1 mmol, 0.143 g), optimal reaction conditions, isolated yields.

Table 3. Catalytic Synthesis of 2-Aryl-quinoline-4-carboxylic Acid Derivatives in the Presence of a Catalytic Amount of Fe3O4@SiO2@(CH2)3–Urea–Thiazole Sulfonic Acid Chloridea.

Table 3. Catalytic Synthesis of 2-Aryl-quinoline-4-carboxylic Acid Derivatives in the Presence of a Catalytic Amount of Fe₃O₄@SiO₂@(CH₂)₃–Urea–Thiazole Sulfonic Acid Chloride^a.