2-Fluoro-5-(7-trifluoromethyl[1,8]naphthyridin-4-yl)phenol → 5-[4-fluoro-3-(2-methyl-2H-[1,2,4]triazol-3-ylmethoxy)phenyl]-2-trifluoromethyl-[1,8]naphthyridine

Participants

Reaction Steps

2-Fluoro-5-(7-trifluoromethyl[1,8]naphthyridin-4-yl)phenol (50.0 mg, 0.16 mmol) was alkylated with 5-chloromethyl-1-methyl-1H-[1,2,4]triazole hydrochloride (prepared as described in WO 0023449, 30.4 mg, 0.20 mmol) as described in Example 47, affording 5-[4-fluoro-3-(2-methyl-2H-[1,2,4]triazol-3-ylmethoxy)phenyl]-2-trifluoromethyl-[1,8]naphthyridine (37.8 mg, 58%). δH (360 MHz, CDCl3) 4.06 (3H, s), 5.39 (2H, s), 7.08-7.12 (1H, m), 7.28-7.36 (2H, m), 7.51 (1H, d, J 4.2), 7.82 (1H, d, J 8.8), 7.87 (1H, s), 8.43 (1H, d, J 8.4), 9.27 (1H, d, J 4.6). m/z (ES+) 404 [MH]+.

Provenance & Evidence