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The title compound was synthesized according to the method described for the synthesis of 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidin-4-yl acetate, except substituting tert-butyl 4-(4-bromophenyl)piperidine-1-carboxylate (200 mg, 0.59 mmol). Crude product was purified by flash chromatography using EtOAc/hexanes as eluent (2:98 to 15:85) to give the title compound as a colourless oil (239 mg, 80%). 1H NMR (400 MHz, CDCl3) δ 7.75 (d, J=7.9 Hz, 2H), 7.21 (d, J=7.9 Hz, 2H), 4.25-4.22 (m, 2H), 2.78 (t, J=12.5 Hz, 2H), 2.67-2.61 (m, 1H), 1.82-1.78 (m, 2H), 1.67-1.57 (m, 2H), 1.48 (s, 9H), 1.32 (s, 12H); MS ESI 410.1 [M+Na]+, calcd for [C11H34BNO4+Na]+ 410.25.

1. customThe title compound was synthesized
2. customCrude product was purified by flash chromatography