5-Bromopyridine-3-sulfonamide → 5-[5-(4-Chloro-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-3-sulfonic acid amide

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Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.6) (63 mg, 0.25 mmol) and 5-bromo-pyridine-3-sulfonic acid amide (59 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (59 mg, 58%). MS (ISP) 410.3 [(M+H)+]; mp 248-249° C.

Provenance & Evidence