3-Fluorophenylboronic acid → 2-(3-Fluoro-4''-trifluoromethyl-[1,1';3',1'']terphenyl-5'-yl)-4-methyl-pentanoic acid

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The title compound was prepared from a Suzuki coupling of 4-Methyl-2-(5-trifluoromethanesulfonyloxy-4′-trifluoromethyl-biphenyl-3-yl)-pentanoic acid ethyl ester (intermediate Example 1g) with 3-fluoro-phenylboronic acid under the conditions described in Example 1; 1H NMR (400 MHz, CHLOROFORM-D) δ ppm 0.89-1.00 (m, 6H), 1.58 (dt, J=13.39, 6.63 Hz, 1H), 1.78 (ddd, J=13.76, 7.34, 7.03 Hz, 1H), 2.01-2.13 (m, 1H), 3.82 (t, J=7.83 Hz, 1H), 7.05-7.13 (m, 1H), 7.32 (dd, J=10.03, 1.47 Hz, 1H), 7.36-7.47 (m, 2H), 7.52-7.61 (m, 2H), 7.66-7.76 (m, 5H); Calcd for C25H22F4O2 (M+Na) 453.16, Found 453.

Provenance & Evidence