Research Article
Knoevenagel Condensation of Aldehydes with Ethyl Cyanoacetate in Water Catalyzed by P4VP/Al2O3-SiO2
Figure 2
FT-IR spectra of (a) Al2O3, (b) P4VP/Al2O3, (c) SiO2, (d) P4VP/SiO2, (e) Al2O3-SiO2(0.6), and (f) P4VP/Al2O3-SiO2(0.6) (in situ).
