, Mp 181-182 °C (decomp.). ?max (film)/cm ?1 3319, H NMR (500 MHz, CD3CN): ? (ppm) 8.00 (dd, J = 7.8, 1.5 Hz, 1H, ArCH), 7.50 (m, 1H, ArCH), 7.467.42 (m, 4H, 4 x ArCH, vol.803, 1106.

, x ArCH), 129.2 (ArCH), 128.8 (4 x ArCH), 122.4 (ArCH), 119.6 (ArCH), 118.8 (ArCH), 80.0 (2 x FcCH), 79.6 (2 x FcC), 13 C NMR (125.7 MHz, CD3CN): ? (ppm) 165.8 (C=O), vol.145

, 2 (2.5 mg, 0.0038 mmol, 1.5 mol%), 4,4'-di-tert-butyl[2,2']bipyridinyl (2.0 mg, 0.0075 mmol, 3.0 mol%), B2pin2 (63.5 mg, 0.25 mmol, 1.0 equiv) and octane (0.9 mL) were added into a sealed tube, evacuated and backfilled with argon three times and the reaction mixture was stirred at 126 °C for 20 h. The reaction mixture was cooled to rt and purified by preparative TLC, eluting with heptane/EtOAc (65/35) to give the title product as a yellow solid (35 mg, 30.5%), FcB(aam)BPin, 28). FcB(aam) (16, 82.4 mg, 0.25 mmol, 1.0 equiv), vol.747, 1103.

, ) Å, V = 4399.0(2) Å 3. Z = 8, d = 1.377 g.cm-3 , ? = 0.713 mm-1. A final refinement on F 2 with 9999 unique intensities and 567 parameters converged at ?R(F 2 ) = 0.0907 (R(F) = 0.0388) for 8726 observed reflections with I > 2?(I), Crystal data for 25. C23H26B2FeN2O3, M = 455.93, T =, vol.150

, Ferrocene Ferroceneboronic acid (FcB(OH)2-1)