Ammonia → HCID 10116778, compound

Participants

Reaction Steps

The title compound was prepared according to the method of Example 459, substituting 2-(3-chloro-4-fluorophenyl)-4-(3-hydroxy-3-methyl-1-butoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (Example 473) in place of 2-(3,4-difluorophenyl)-4-(2-hydroxy-2-methyl-1-propoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (yield: 160 mg, 45%). mp 59-62° C.; 1H NMR (300 MHz, DMSO-d6) δ 1.05 (s, 6H), 1.73 (t, 2H, J=6 Hz), 4.32 (s, 1H), 4.54 (t, J=6 Hz, 2H), 7.50 (s, 2H), 7.60 (t, J=9 Hz, 1H), 7.66 (m, 1H), 7.73 (d, J=9 Hz, 2H), 7.74 (d, J=9 Hz, 2H), 7.75 (m, 1H), 8.22 (s, 1H); MS (DCI/NH3) m/z 482 (M+H)+. Anal. calcd. for C21H21FClN3O5S: C, 52.33; H, 4.39; N, 8.71. Found: C, 52.30; H, 5.03; N, 8.10.

Provenance & Evidence