5-bromo-N-(2-(dimethylamino)ethyl)thiophene-2-sulfonamide → 5-[7-Difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid (2-dimethylamino-ethyl)-amide

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Reaction Steps

The title compound was prepared from 3-ethynyl-7-difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.15) (169 mg, 0.5 mmol) and 5-bomo-thiophene-2-sulfonic acid (2-dimethylamino-ethyl)-amide (example B.49) (157 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (180 mg, 63%). MS (ISN) 568.2 [(M−H)−]; mp 170° C.

Provenance & Evidence