Research Article
Efficient Knoevenagel Condensation Reactions Catalyzed by Activated Gel Zirconium(IV) Oxide
Table 2
Effect of concentrations of catalyst.
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Reaction conditions: 1a (1 mmol), 2 (1 mmol), ZrOCl2·8H2O/NaNH2 (15 mol %), in THF (5 mL) at 25°C. solated yields. |