4-Fluoro-2-(trifluoromethyl)benzoyl chloride → N-(3-Cyclopentyl-1-hydroxy-1,3-dihydro-benzo[c][1,2]oxaborol-6-yl)-4-fluoro-2-trifluoromethyl-benzamide

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The title compound was prepared using a procedure similar to that of N-(3-cyclopentyl-1-hydroxy-1,3-dihydro-benzo[c][1,2]oxaborol-6-yl)-2-trifluoromethyl-benzamide with 2-trifluoromethyl-4-fluorobenzoyl chloride replacing 2-trifluoromethylbenzoyl chloride. Data: LCMS (M/Z): 430 (M+23); 1H NMR (acetone) δ: 9.64 (br. s., 1H), 8.14 (d, J=1.9 Hz, 1H), 7.83 (dd, J=8.5, 5.4 Hz, 1H), 7.71 (dd, J=8.2, 2.0 Hz, 1H), 7.50-7.64 (m, 2H), 7.39 (d, J=8.2 Hz, 1H), 5.13 (d, J=4.8 Hz, 1H), 2.25-2.37 (m, J=8.2, 8.2, 8.2, 8.2, 4.8 Hz, 1H), 1.82-1.92 (m, 1H), 1.62-1.74 (m, 2H), 1.44-1.59 (m, 3H), 1.30-1.40 (m, 1H), 1.10-1.19 (m, 1H).

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