Ammonia → HCID 21934254, compound

Participants

Reaction Steps

The title compound was prepared according to the method of Example 384 substituting 2-(3,4-difluorophenyl)-4-(2,2-dimethylpropoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone in place of 2-benzyl-4-(4-fluorophenyl)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (yield: 310 mg, 38%). mp 173-175° C. 1H NMR (300 MHz, DMSO-d6) δ 0.8 (s, 9H), 3.3 (s, 3H), 4.1 (s, 2H), 7.51 (m, 3H), 7.6 (m, 1H), 7.85 (m, 3H), 7.95 (d, J=9 Hz, 2H), 8.21 (s, 1H). MS (DCI/NH3) m/z 450 (M+H)+, 467 (M+NH4)+. Anal. calc. for C21H21F2N3O4S: C, 56.12; H, 4.71; N, 9.35. Found, C, 55.83; H, 4.73; N, 9.08.

Provenance & Evidence