5-(trifluoromethyl)pyridine-2-carboxylic Acid → N-(4'-Amino-5'-methylspiro[chroman-4,2'-imidazole]-6-yl)-5-(trifluoromethyl)picolinamide

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Reaction Steps

The title compound (44 mg, 46% yield) was prepared as described for Example 13a starting from 5-(trifluoromethyl)picolinic acid (45 mg, 0.23 mmol) and 5′-methylspiro[chroman-4,2′-imidazole]-4′,6-diamine (Intermediate 30, 54 mg, 0.23 mmol): 1H NMR (400 MHz, DMSO-d6) δ ppm 1.85-1.98 (m, 2H), 2.24 (s, 3H), 4.30-4.50 (m, 2H), 6.56 (s, 2H), 6.81 (d, 1H), 7.02-7.10 (m, 1H), 7.62-7.71 (m, 1H), 8.28 (d, 1H), 8.46 (dd, 1H), 9.01-9.10 (m, 1H), 10.57 (s, 1H); MS (APCI+) m/z 404 [M+H]+.

Provenance & Evidence