Silica Sulfuric Acid/ NaNO2 as a Novel Heterogeneous System for the Nitration of Phenols under Mild Conditions

Silica Sulfuric Acid/ NaNO2 as a Novel Heterogeneous System for the Nitration of Phenols under Mild Conditions

Nitrophenols can be obtained in moderate to high yields via nitrosationoxidation of phenols with silica sulfuric acid, NaNO2 and wet SiO2 at room temperature. In situ generation of HNO2 and a radical cation mechanism via the nitrous acid catalyzed (NAC) pathway appear to be applicable to phenol nitr...

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Bibliographic Details
Main Authors: Ezat Ghaemi, Elahe Madrakian, Mohammad Ali Zolfigol
Format: Article
Language:English
Published: MDPI AG 2002-10-01
Series:Molecules
Subjects:
Silica sulfuric acid
nitrosation-oxidation
nitration
nitrophenols
Online Access:http://www.mdpi.com/1420-3049/7/10/734/

Internet

http://www.mdpi.com/1420-3049/7/10/734/

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