Morpholine Adduct of C70 Fullerene: Sonochemical Synthesis and Mechanism

For the first time, a monoadduct of fullerene C70 with a condensed morpholine fragment was obtained in reaction with 2-aminoethanol in air in toluene/DMF medium at room temperature under the action of ultrasound. Based on 1H, 13C NMR, and UV spectroscopy data, it was found that the morpholine derivative of C70 is a 1,2-isomer. The reaction intermediate, the anion radical C–•70 (g = 2.0021 and ΔH = 2.6 G), which was obtained as a result of the electron transition from 2-aminoethanol to the C70 framework, was recorded by the EPR method.