Triethylamine → HCID 86699336, compound

Participants

Reaction Conditions

Reaction Steps

A flask equipped with a reflux condenser and a nitrogen line was charged with 7-bromo-N-(3-methyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-yl)imidazo[1,2-a]pyridine-3-carboxamide (Example 50, Steps A-B; 74.8 mg, 0.157 mmol), tri-O-tolylphosphine (9.6 mg, 0.031 mmol), and tris(dibenzylideneacetone)dipalladium (0) (14.4 mg, 0.015 mmol) Anhydrous DMF (2 mL), tributyl(1-ethoxyvinyl)tin (0.07 mL, 0.22 mmol) and triethylamine (0.03 mL, 0.22 mmol) were added to the flask, and the reaction mixture was degassed under nitrogen and stirred at 100° C. for 6 hours. The reaction mixture was cooled, diluted with excess water and extracted with DCM and EtOAc. The combined organics were dried over anhydrous sodium sulfate and concentrated. The crude product was purified by preparative thin-layer chromatography (silica, 5% MeOH/DCM as eluent) to afford 56.4 mg of desired product as a yellow solid.

Provenance & Evidence