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J. M. Riego, Z. Sedin, J. M. Zaldivar, N. C. Marziano and C. Tortato, “Sulfuric Acid on Silica-Gel: An Inexpensive Catalyst for Aromatic Nitration,” Tetrahedron Letters, Vol. 37, 1996, pp. 513-516. doi:10.1016/0040-4039(95)02174-4

has been cited by the following article:

• TITLE: Vilsmeier Haack Adducts as Effective Reagents for Regioselective Nitration of Aromatic Compounds under Conventional and Non-Conventional Conditions

  AUTHORS: Kamatala Chinna Rajanna, Mukka Satish Kumar, Purugula Venkanna, Soma Ramgopal, Marri Venkateswarlu

  KEYWORDS: Nitration, KNO3 or NaNO2, Vilsmeier-Haack Reagent, Microwave Irradiation (MWI), Grinding, Sonication

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.1 No.4, December 27, 2011

  ABSTRACT: Nitration of aromatic Compounds is triggered by Vilsmeier-Haack reagent (DMF/POCl3) or (DMF/SOCl2) in the presence of KNO3 or NaNO2 under conventional and non-conventional conditions. The reactions af- forded corresponding Nitro derivatives in very good yield with high regioselectivity. The results obtained in non-conventional methods (Micro wave irradiation, Grinding, Sonication) are comparable with those ob- tained under conventional conditions, but the reaction times of former conditions are substantially shorter than that of the latter.