5-bromo-N-(1-hydroxy-2-methylpropan-2-yl)pyridine-3-sulfonamide → 5-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-3-sulfonic acid (2-hydroxy-1,1-dimethyl-ethyl)-amide

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Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.5) (147 mg, 0.5 mmol) and 5-bromo-pyridine-3-sulfonic acid (2-hydroxy-1,1-dimethyl-ethyl)-amide (155 mg, 0.5 mmol) (example B.2) according to general procedure II. Obtained as a yellow solid (137 mg, 52%). MS (ISP) 522.2 [(M+H)+]; mp 230–231° C.

Provenance & Evidence