Trifluoroacetic acid → 4-Chloro-3-(1-(4-chlorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)-N-cyclopropylbenzenesulfonamide

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Reaction Steps

The title compound was prepared by following the procedure as described for Example-83 by using tert-butyl 2-(4-chlorophenyl)hydrazinecarboxylate (Intermediate-62, 0.050 g, 0.20 mmol), 2-chloro-5-(N-cyclopropylsulfamoyl)benzoyl isocyanate (step-4 of Intermediate-40, 0.123 g, 0.41 mmol), DCM (10 mL) and TFA (3 mL) to afford 0.025 g, of pure product. 1H NMR (400 MHz, DMSO de): δ 0.39-0.41 (m, 2H), 0.49-0.52 (m, 2H), 2.17-2.20 (m, 1H), 7.52-7.55 (d, J=8.0 Hz, 2H), 7.91-8.00 (m, 5H), 8.14 (m, 1H), 12.60 (br s, 1H); MS (m/z): 425.10 (M+).

Provenance & Evidence