Water → HCID 75044842, compound

Participants

Reaction Steps

A mixture of 1-(2-oxo-1,2-dihydro-indol-3-ylidene)-1,3-dihydro-isobenzofuran-5-carboxylic acid (100 mg, 0.34 mmol) and 1,1′-carbonyldiimidazole (100 mg, 0.62 mmol) in THF (10 ml) was stirred at room temperature for 16 hours. N,N-diethylethylenediamine (0.25 ml, 1.76 mmol) was added. The mixture was stirred for 15 minutes and poured into water (100 ml). The precipitates were filtered, washed with water and dried under vacuum to give the title compound as a yellow powder (99 mg, 74%).

Provenance & Evidence