Dicyclohexylcarbodiimide → HCID 23131681, compound

Participants

Reaction Steps

A mixture of 10.18 g of 3-formylbenzoic acid, 6.99 g of methanesulfonamide, 200 ml of dichloromethane, 8.95 g of dimethylaminopyridine, 15.22 g of dicyclohexylcarbodiimide and 100 ml of tetrahydrofuran was stirred at room temperature. The reaction solution was concentrated under reduced pressure, dissolved in ethyl acetate, a 1 N aqueous sodium hydroxide solution was added, and the layers were separated. To the aqueous layer was added 2 N hydrochloric acid to adjust to pH 1, this was extracted with ethyl acetate, dried over anhydrous sodium sulfate, and then concentrated to obtain 4.01 g of 3-[(methanesulfonyl)aminocarbonyl]benzaldehyde [Compound No. (j)] as a white solid.

Provenance & Evidence