Ammonia → 2-(4-Fluorophenyl)-4-(3-methylbutoxy)-5-[4-(aminosulfonyl)phenyl]-3(2H)-pyridazinone

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Reaction Steps

The title compound was prepared according to the method of Example 384, substituting 2-(4-fluorophenyl)-4-(3-methylbutoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (Example 375) in place of 2-benzyl-4-(4-fluorophenyl)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (yield: 0.051 g, 18%). Yellow oil. 1H NMR (300 MHz, DMSO d6) δ 0.80 (d, J=5 Hz, 6H), 1.47 (m, 3H), 4.42 (t, J=6 Hz, 2H), 7.37 (m, 2H), 7.50 (m, 1H), 7.65 (m, 2H), 7.83 (m, 2H), 7.93 (m, 2H), 8.18 (s, 1H), 8.60 (bs, 1H). MS (DCI/NH3) m/z 432 (M+H)+, 449 (M+NH4)+. Anal. calc. for C21H22FN3O4S: C, 58.46; H, 5.14; N, 9.74. Found: C, 58.16; H, 5.21; N, 9.57.

Provenance & Evidence