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Organic Chemistry International
Table of Contents
Organic Chemistry International
/
2013
/
Article
/
Tab 2
/
Research Article
Synthesis of Bis-2,3-dihydroquinazolin-4(1
H
)-ones and 2,3-Dihydroquinazolin-4(1
H
)-ones Derivatives with the Aid of Silica-Supported Preyssler Nanoparticles
Table 2
The conditions of silica nanostructures production via sol-gel.
4
C
2
H
5
OH/TEOS molar ratio
A
2
pH
B
12
Water/TEOS molar ratio
C
20 min
Stirring time
F
220°C
Drying temperature
G
6 h
Drying time
H
4
C
2
H
5
OH/TEOS molar ratio
A