Ethylamine → 4-bromo-N-ethyl-2-(trifluoromethoxy)benzenesulfonamide

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Reaction Steps

According to general procedure A, 4-Bromo-2-trifluoromethoxy-benzenesulfonyl chloride (0.35 g, 1.03 mmol) and ethylamine (5 mL, 10.0 mmol, 2.0 M in THF) were stirred together for 16 hours. 4-bromo-N-ethyl-2-(trifluoromethoxy)benzenesulfonamide (0.23 g, 64%) was provided after purification. MS (ESI) m/z 348. HPLC purity 100.0% at 210-370 nm, 9.3 min.; the Xterra® RP18 column, 3.5μ, 150×4.6 mm column, 1.2 mL/min., 85/15-5/95 (ammonium formate buffer pH=3.5/ACN+MeOH) for 10 min., hold 4 min.

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