Trichloroisocyanuric acid/NaNO2/wet SiO2 as an efficient system for the selective dinitration of phenols under solvent-free conditions
MA Zolfigol, E Madrakian, E Ghaemi
Index: Zolfigol, Mohammad Ali; Madrakian, Elaheh; Ghaemi, Ezat Synlett, 2003 , # 14 p. 2222 - 2224
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Citation Number: 22
Abstract
Dinitrophenols can be obtained via direct nitration of phenols with trichloroisocyanuric acid, NaNO 2 and wet SiO 2 at room temperature under solvent-free conditions with moderate to high yields. ... Recently, we have reported the applications of trichloroisocyanuric acid/NaNO 2 /wet SiO 2 system for the selective mononitration of phenols under mild and heterogeneous conditions. [3] Our goal, in undertaking this line of work, was three-fold: a) to overcome ...
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