Ethanol → HCID 11651488, compound

Participants

Reaction Steps

To a suspension of 5.23 g (26.74 mmol) 5-chloro-1H-indole-3-carboxylic acid in 140 ml dry ethanol were added 10 ml concentrated sulfuric acid, and the mixture was heated with reflux for 16 h. It was concentrated under reduced pressure, and the residue was tretaed with ethanol/hexane to give the crystalline title ester, which was filtered and dried in vacuo.

Provenance & Evidence