Triethylamine → HCID 59853932, compound

Participants

Reaction Steps

172 mg (0.69 mmol) of 5H-dibenzo[a,d][7]annulen-5-ylideneacetic acid, 144 mg (0.78 mmol) of t-butyl 1-piperazinecarboxylate, 148 mg (0.77 mmol) of 1-ethyl-3-(3′-dimethylaminopropyl)carbodiimide hydrochloride and 0.11 ml (0.79 mmol) of triethylamine were stirred in 5 ml of dichloromethane at room temperature overnight. The reaction mixture was washed with 0.5 N aqueous sodium hydroxide solution and the organic layer was dried over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was purified by the silica gel chromatography (hexane:ethyl acetate=2:1) to obtain the title compound.

Provenance & Evidence