5-sulfamoylthiophene-2-carboxylic acid → HCID 57468853, compound

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The title compound was prepared from N-hydroxy-4-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-pyrimidine-2-carboxamidine (example C.2) (0.176 g, 0.5 mmol) and commercially available 2-sulfamoyl-thiophene-5-carboxylic acid [CAS-No. 7353-87-9] (0.104 g, 0.5 mmol) according to the general procedure V. Obtained as a light yellow solid (0.12 g, 46%). MS (ISN) 520.1[(M−H)−]; mp 258.5° C.

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