Ammonia → 2-(4-Fluorophenyl)-4-(2-methylpropoxy)-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-(2-methylpropoxy)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (Example 376) in place of 2-benzyl-4-(4-fluorophenyl)-5-[4-(methylsulfonyl)phenyl]-3(2H)-pyridazinone (yield: 0.024 g, 6%). mp 132-136° C. 1H NMR (300 MHz, DMSO d6) δ 0.79 (d, J=6 Hz, 6H), 1.83 (m, 1H), 4.19 (d, J=6 Hz, 2H), 7.36 (m, 2H), 7.50 (m, 2H), 7.66 (m, 2H), 7.84 (m, 2H), 7.95 (m, 2H), 8.18 (s, 1H). MS (DCI/NH3) m/z 418 (M+H)+, 435 (M+NH4)+. Anal. calc. for C20H20FN3O4S: C, 57.54; H, 4.83; N, 10.07. Found C, 57.26; H, 5.00; N, 9.78.

Provenance & Evidence