3-Amino-9-ethylcarbazole → HCID 86729719, compound

Participants

Reaction Steps

A solution of 9-ethyl-9H-carbazol-3-amine (210 mg, 1.00 mmol), the compound obtained in Step 1 (246 mg, 1 mmol), HOBt (306 mg, 2.00 mmol) and WSC (383 mg, 2.00 mmol) in DMF (5 mL) was stirred at room temperature for 14 hr. The reaction mixture was poured into a mixed solution of aqueous sodium hydrogen carbonate solution and ethyl acetate, and the organic layer was separated. The organic layer was washed with water and saturated brine, and dried, and the solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography (solvent gradient; 66 to 80% ethyl acetate/hexane) to give the title compound (283 mg, 0.645 mmol, 64.5%) as a white powder.

Provenance & Evidence