Research Article

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

Table 2

The conditions of silica nanostructures production via sol-gel.

4C2H5OH/TEOS molar ratioA
2pHB
12Water/TEOS molar ratioC
20 minStirring timeF
220°CDrying temperatureG
6 hDrying timeH
4C2H5OH/TEOS molar ratioA