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Colorless crystals mp. 157–158 °C, Rf = 0.19 (acetone:hexan 1:7); 1H NMR (CDCl3, 500 MHz) δ (ppm): 1.29 (d, 3H, J = 6.4 Hz, CH(CH3)), 2.47–2.61 (m, 2H, CH(CH3), CHaHb), 3.07 (dd, 1H, J1 = 18.5 Hz, J2 = 10.0 Hz, CHaHb), 4.18 (t, 1H, J = 9.7 Hz, CHCl), 5.99 (d, 1H, J = 10.0 Hz, CHAr), 7.47–7.61 (m, 4H, HAr), 7.90 (d, 2H, J = 8.3 Hz, HAr), 8.09 (d, 1H, J = 8.5 Hz, HAr); 13C NMR (125 MHz, CDCl3) δ (ppm): 19.7 (CH(CH3)), 35.9 (CH(CH3)), 37.1 (CH2), 62.7 (CHCl), 81.9 (CHAr), 169.0 (C=O), CAr: 123.0, 125.0, 125.8, 125.9, 126.6, 129.0, 130.1, 131.1, 131.8, 133.8; ESI-TOF HR: m/z calcd for C16H15ClO2: 313.0397 [M+Na]+, found 371.0010.

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