6'-Bromo-4,4-difluoro-5''-methyl-3'H-dispiro[cyclohexane-1,2'-indene-1',2''-imidazol]-4''-amine → 4,4-Difluoro-5''-methyl-6'-[5-(prop-1-yn-1-yl)pyridin-3-yl]-3'H-dispiro[cyclohexane-1,2'-indene-1',2''-imidazol]-4''-amine

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The title compound (26 mg, 24% yield) was prepared as described for Example 28c starting from 6′-bromo-4,4-difluoro-5″-methyl-3′H-dispiro[cyclohexane-1,2′-indene-1′,2″-imidazol]-4″-amine (Example 27, 100 mg, 0.26 mmol) and 5-(prop-1-ynyl)pyridin-3-ylboronic acid (Intermediate 15, 50.5 mg, 0.31 mmol). 1H NMR (500 MHz, DMSO-d6) δ ppm 1.22-1.30 (m, 1H), 1.51 (br. s., 2H), 1.71 (br. s., 1H), 1.78-1.97 (m, 4H), 2.09 (s, 3H), 2.19 (s, 3H), 3.06 (d, 1H), 3.15 (d, 1H), 6.61 (s, 2H), 6.85 (d, 1H), 7.41 (d, 1H), 7.56 (dd, 1H), 7.91 (t, 1H), 8.51 (d, 1H), 8.67 (d, 1H). MS (APCI+) m/z 419.2 [M+H]

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