Potassium Carbonate → HCID 66657744, compound

Participants

Reaction Conditions

Reaction Steps

K2CO3 (138 mg, 1.0 mmol), 2-chloro-5-chloromethylpyridine (32 mg, 0.2 mmol) and 18-crown-6 (5 mg) were added to a mixture of 2-ethoxycarbonylmethyl-5-hydroxy-1-(4-trifluoromethoxyphenyl)indole-3-carboxylic acid ethyl ester (90 mg, 0.2 mmol, see step (b) Example 9) and DMF (5 mL). The mixture was stirred for 48 h at 70° C., cooled, diluted with EtOAc, filtered through Celite®, concentrated and purified by chromatography. Yield 60 mg (520%).

Provenance & Evidence