6-Chloro-2-fluoro-3-(propane-1-sulfonamido)benzoic acid → 2-Fluoro-3-(propylsulfonamido)benzoic acid

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Reaction Steps

To 6-chloro-2-fluoro-3-(propane-1-sulfonylamino)-benzoic acid (63, 0.69 g, 2.3 mmol) in methanol (10 mL) was added 20% palladium hydroxide on carbon (200 mg). The reaction was stirred under hydrogen at 50 psi for 2 hours. The reaction was filtered and concentrated to give the desired compound. MS (ESI) [M−H+]−=260.1.

Provenance & Evidence