Ammonia → HCID 21934392, compound

Participants

Reaction Steps

The title compound was prepared according to the method of Example 4, starting with 2-(3-bromophenyl)-4-(4-fluorophenyl)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (Example 166) in place of 2-benzyl-4-bromo-5-[4-(methylthio)phenyl]-3(2H)-pyridazinone and substituting cesium fluoride for sodium carbonate (yield: 0.62 g, 62%). mp 222-225° C. 1H NMR (300 MHz, DMSO d6) δ 3.24 (s, 3H), 7.16 (m, 2H), 7.36 (m, 3H), 7.53 (m, 2H), 7.64 (m, 2H), 7.73-7.81 (m, 3H), 7.93 (m, 3H), 8.27 (s, 1H). MS (DCI/NH3) m/z 515 (M+H)+, 532 (M+NH4)+. Anal. calc. for C29H20F2N2O3S.0.25H2O: C, 67.10; H, 3.98; N, 5.35. Found: C, 66.93; H, 3.99; N, 5.17.

Provenance & Evidence