4-Isopropylphenylboronic acid → 2-(4-Isopropyl-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 4-isopropyl-phenylboronic acid under the conditions described in Example 1; 1H NMR (400 MHz, MeOD) δ ppm 0.88 (dd, J=6.60, 3.42 Hz, 6H), 1.20 (d, J=6.85 Hz, 6H), 1.44-1.49 (m, 1H), 1.64-1.67 (m, 1H), 1.91-1.96 (m, 1H), 2.83-2.88 (m, 1H), 3.73 (t, J=7.70 Hz, 1H), 7.25 (d, J=8.07 Hz, 2H), 7.51 (dd, J=8.44, 1.83 Hz, 4H), 7.67 (m, 3H), 7.77 (d, J=8.07 Hz, 2H); Calcd for C28H29ClF3O2 (M+H) 455.5, Found 455.

Provenance & Evidence