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(m, 2H), 3.52 (dt, J¼5.6, 4.4 Hz, 2H), 2.39 (t, J¼6.8 Hz, 2H), 2.38 (s,
3H), 1.86 (t, J¼4.4 Hz, 1H), 1.72 (tt, J¼6.8, 5.6 Hz, 2H). 13C NMR
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(CDCl3, 100 MHz)
d 143.3, 137.0, 135.3, 134.1, 130.1, 129.4, 127.0,
127.0, 125.8, 124.2, 59.8, 32.2, 25.8, 21.6. IR (neat) 3499, 3269, 2926,
2876, 1598, 1493, 1438, 1402, 1327, 1306, 1290, 1234, 1184, 1153,
1091, 929, 813, 755, 660 cmꢁ1. GC–MS (EI) m/z 305 (Mþ, 6), 91
(100). HRMS (ESI) calcd for C16H19NO3SNa ([MþNa]þ): 328.0978,
found: 328.975.
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