Trimethylamine → HCID 53792392, compound

Participants

Reaction Steps

N-{4-[5-(4-Chlorobenzoyl)-1,4-dimethyl-1H-pyrrol-2-ylmethyl]phenyl}-ethenesulfonamide (250 mg, 0.583 mmol) [prepared as in Example 19], was dissolved in DMF (1.1 ml). Triethylamine (0.11 ml, 0.8 mmol), followed by dimethylamine hydrochloride (36 mg, 0.69 mmol), was added and the reaction mixture was stirred for 1 h. A second batch of trimethylamine and dimethyamine hydrochloride was added and the stirring was continued overnight. The reaction mixture was partitioned between ethyl acetate and water, and the organic layer was separated and dried over sodium sulfate. The solvent was removed in vacuo and the crude product was then dissolved in ethyl acetate, after which ethanolic HCl was added to give N-{4-[5-(4-chlorobenzoyl)-1,4-dimethyl-1H-pyrrol-2-ylmethyl]phenyl}-2-(dimethyl-amino)ethanesulfonamide (257 mg, 86%) as the hydrochloride salt.

Provenance & Evidence