3.12.18. Methyl 3-Deoxy-3-*C*-(3-Trifluoromethylbenzamidomethyl)-β-d-Galactopyranoside **7k**

Compound **7k** (TLC, DCM/MeOH, 10:1, R<sup>f</sup> 0.51) was prepared according to the general procedure *3.12* from the amide **22k** (25 mg, 0.04 mmol). Obtained as a colorless oil in 66% yield (11.2 mg, 0.03 mmol) from flash column chromatography (DCM:MeOH 20:1–10:1). [α] 25 <sup>D</sup> −3.9 (c 0.6, CH3OH). <sup>1</sup>H NMR (CD3OD, 400 MHz): 8.13 (s, 1H, Ar*H*), 8.08 (t, 1H, *J* 8.0 Hz, ArH), 7.85 (d, 1H, *J* 8.0 Hz, Ar*H*), 7.68 (t, 1H, *J* 8.0 Hz, Ar*H*), 4.47 (d, 1H, *J*1,2 7.2 Hz, H-1), 3.95 (td, 1H, *J* 6.0 Hz, *J* 2.0 Hz, H-5), 3.89–3.86 (m, 2H, H-2, H-4), 3.79 (dd, 1H, *J*6a,6b 12.0 Hz, *J*5,6a 6.0 Hz, H-6a), 3.76 (dd, 1H, *J*6a,6b 12.0 Hz, *J*5,6b 6.0 Hz, H-6b), 3.69 (dd, 1H, *J* 13.6 Hz, *J* 5.6 Hz, C*H*2NH), 3.63 (dd, 1H, *J* 13.6 Hz, *J* 9.2 Hz, C*H*2NH), 3.54 (s, 3H, OC*H*3), 2.43–2.37 (m, 1H, H-3). <sup>13</sup>C NMR (CD3OD, 125 MHz): 168.7, 136.7, 132.0 (q, *J* 32 Hz), 131.9, 130.6, 129.2 (q *J* 3.6 Hz), 125.4 (q, *J* 270 Hz), 125.1 (q, *J* 4.0 Hz), 103.7, 75.9, 68.9, 68.6, 63.1, 56.9, 46.5, 37.8. <sup>19</sup>F NMR (CD3OD, 376 MHz): <sup>−</sup>64.2. HRMS calcd for C16H20F3NO6+H<sup>+</sup> (M+H)+: 380.1321, found: 380.1321.
