Dimethylformamide → HCID 10970229, compound

Participants

Reaction Steps

A mixture of 5.582 g (16.7 mmol) of the above obtained 5-benzenesulfonyloxybenzo[b]thiophene-3-carboxylic acid (2), a drop of dimethylformamide, 3.57 ml (50 mmol) of thionyl chloride and 22 ml of toluene was refluxed for 1.5 hours and then concentrated under reduced pressure to give 5.89 g of the objective compound (3).

Provenance & Evidence