Potassium Acetate → 1-(2,4-difluorophenyl)-1H-pyrazolo[3,4-b]pyridin-4-ylboronic acid

Participants

Reaction Conditions

Reaction Steps

Intermediate 63A was prepared according to the general procedure described in Intermediate 5A, except that the reaction mixture was heated at 85° C. for 75 min, using Intermediate 13A (100 mg, 0.280 mmol), 4,4,4′,4′,5,5,5′,5′-octamethyl-2,2′-bi(1,3,2-dioxaborolane) (133.1 mg, 0.524 mmol), potassium acetate (115.0 mg, 1.172 mmol), and DMSO (1.5 mL). The desired product was confirmed to be present by LC/MS (Condition B): 76%; ret. T=2.9 min; (M+H)+ 276.00.

Provenance & Evidence