Dichloromethane → 5-[6-(2,6-difluoro-3,5-dimethoxyphenyl)-1H-pyrazolo[4,3-c]pyridin-3-yl]-2-ethylisoindolin-1-one

Participants

Reaction Conditions

Reaction Steps

A mixture of 6-(2,6-difluoro-3,5-dimethoxyphenyl)-3-iodo-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[4,3-c]pyridine (9 mg, 0.02 mmol), 2-ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-1-one (7.7 mg, 0.027 mmol), [1,1′-bis(diphenylphosphino)-ferrocene]dichloropalladium(II) complex with dichloromethane (1:1) (1 mg, 0.001 mmol), and sodium carbonate (5.7 mg, 0.054 mmol) in 1,4-dioxane (0.2 mL) and water (0.03 mL) was degassed and recharged with nitrogen three times. The mixture was stirred at 110° C. for 3 h. After cooling the solid was filtered off. The filtrate was concentrated. The residue was dissolved in methanol (0.5 mL). At r.t. to the solution was added HCl solution prepared previously from acetyl chloride (0.30 mL) and methanol (0.30 mL). The mixture was stirred at r.t. for 2 h, and purified by RP-HPLC (pH=10) to afford the desired product (5.6 mg). LCMS (M+H)+=451.1.

Provenance & Evidence