Relevant articles and documents
Natural bentonite clay/dilute HNO3 (40%) - A mild, efficient, and reusable catalyst/reagent system for selective mono nitration and benzylic oxidations
Bahulayan, Damodaran Narayan, Gopinathan Sreekumar, Vellalath Lalithambika, Malathy
Selective mono nitration of Aromatic hydrocarbons and benzylic oxidations can be achieved in high yield using reusable catalyst/reagent system consisting of bentonite clay and dilute HNO3 under relatively mild experimental conditions. The dual behavior of the catalyst reagent system is utilized for the regioselective synthesis of a variety of industrially important compounds.
Nitration of aromatic compounds by Zn(NO3)2· 2N2O4 and its charcoal-supported system
Iranpoor, Nasser Firouzabadi, Habib Heydari, Reza Shiri, Morteza
Zn(NO3)2·N2O4 and its charcoal supported system were found to be efficient nitrating agents. Mononitration of aromatic compounds such as benzene, alkyl benzenes, halobenzenes, nitrobenzene, anisol, and the highly selective mono-, di-, and trinitration of phenol, and dinitraion of substituted phenols were also performed in the presence of these reagents.
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