Synthesis of Bis-2,3-dihydroquinazolin-4(1<i>H</i>)-ones and 2,3-Dihydroquinazolin-4(1<i>H</i>)-ones Derivatives with the Aid of Silica-Supported Preyssler Nanoparticles

<table>Infrared spectroscopy of Preyssler heteropolyacid in bulk form (B) and nanoform (A).</table>

Organic Chemistry International

fig2

Figure 2

Figure 2: Synthesis of Bis-2,3-dihydroquinazolin-4(1<i>H</i>)-ones and 2,3-Dihydroquinazolin-4(1<i>H</i>)-ones Derivatives with the Aid of Silica-Supported Preyssler Nanoparticles 

Figure 2 | Synthesis of Bis-2,3-dihydroquinazolin-4(1H)-ones and 2,3-Dihydroquinazolin-4(1H)-ones Derivatives with the Aid of Silica-Supported Preyssler Nanoparticles 