Triethylamine → 3-[2-[N-(4-Fluoro-2-trifluoromethylphenyl)sulfamoyl]acetylamino]-3-carboxypropionic Acid Methyl Ester

Participants

Reaction Steps

Under the conditions of Example 2(a), 3.012 g (10 mmol) of 2-[2-[N-(4-fluoro-2-trifluoromethylphenyl)sulfamoyl]acetic acid, 1.836 g (10 mmol) of L-aspartic acid dimethyl ester hydrochoride, 1,531 g (10 mmol) of hydroxybenzotriazole, hydrate, as well as 1.012 g (10 mmol) of triethylamine and 2.063 g (10 mmol) of dicyclohexylcarbodiimide are reacted and worked up analogously. The crude product is purified by column chromatography on silica gel. The title compound is eluted with ethyl acetate.

Provenance & Evidence