Facile Synthesis of 3-Aroyl-3-Sulfolenes Through Cycloadditions of Arylnitrile Oxides & 3-Sulfolene

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• Spectral data of cycloadduct(3a) (R=phenyl) IR(Nujol)v max: 1600, 1464, 1314, 1302, 1234cm−1 1H NMR (300 MHz, CDCl3) (See Table 2). MS m/z = 237 (M+).
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• Spectral data of 3-aroyl-3-sulfolene(5a) (R=phenyl) IR(CHCl3)v max: 2976, 1657, 1324, 1287cm−1 1H NMR (300 MHz, CDCl3): δ 7.75(m, 2H), 7.61 (m, 1H), 7.5(m, 2H), 6.73(m, 1H), 4.2(m, 2H), 4.12(m, 2H). MS m/z = 222 (M+).
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