Protonation of nitro groups. Diprotonation of. beta.-nitrostyrenes in trifluoromethanesulfonic acid
T Ohwada, T Ohta, K Shudo
Index: Ohwada,T.; Ohta,T.; Shudo,K. Journal of the American Chemical Society, 1986 , vol. 108, p. 3029
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Citation Number: 33
Abstract
Abstract: Dissolving (E)-@-nitrostyrene in trifluoromethanesulfonic acid (TFSA) resulted in a stable orange-colored solution. Quenching the solution with water quantitatively yielded the starting@-nitrostyrene. The nature of the chemical entity in the TFSA solution was deduced from the results of cryoscopy and NMR spectroscopy. The molal freezing point depressions of TFSA by triphenyimethanol, mesitoic acid, potassium nitrate, nitrobenzene, nitrotoluene, ...
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