3-Iodo-1-[tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine → HCID 66970896, compound

Participants

Reaction Conditions

Reaction Steps

3-Iodo-1-triisopropylsilanyl-1H-pyrrolo[2,3-b]pyridine (96, 485.9 mg, 1.21 mmol) was dissolved in tetrahydrofuran (8 mL) at −20° C. under an atmosphere of nitrogen. 2.0 M isopropylmagnesium chloride in tetrahydrofuran (0.655 mL) was added. The reaction was stirred at −20° C. for 1 hour. Into the reaction was added (5-acetyl-pyridin-2-yl)-(4-trifluoromethyl-benzyl)-carbamic acid tert-butyl ester (621, 300.0 mg, 0.76 mmol) in tetrahydrofuran (6 mL) The reaction was allowed to warm to room temperature overnight. The mixture was extracted with ethyl acetate and saturated sodium bicabonate. The organic portions were dried with anhydrous sodium sulfate, filtered and the filtrate was adsorbed onto silica. The mixture was purified by silica gel chromatography on the (ethyl acetate:hexanes), to provide the desired compound as an oil (622, 125 mg, 29%), consistent with the compound structure by 1H-NMR.

Provenance & Evidence