Cyclopropanemethanamine → 4-bromo-N-(cyclopropylmethyl)-2-(trifluoromethyl)benzenesulfonamide

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Reaction Steps

According to general procedure C, 4-Bromo-2-trifluoromethyl-benzenesulfonyl chloride (0.50 g, 1.54 mmol) and cyclopropylmethylamine (0.34 mL, 3.85 mmol) were stirred together in dry dichloromethane (2 mL) for 16 hours. 4-bromo-N-(cyclopropylmethyl)-2-(trifluoromethyl)-benzenesulfonamide (0.50 g, 91%) was provided after purification. MS (ESI) m/z 358. HPLC purity 100.0% at 210-370 nm, 9.8 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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